sprof.1, eventfd.2, execve.2, futex.2, getdents.2, mprotect.2, open_by_handle_at.2, recvmmsg.2, sched_setaffinity.2, CPU_SET.3, backtrace.3, bsearch.3, dl_iterate_phdr.3, dlinfo.3, duplocale.3, encrypt.3, envz_add.3, fopencookie.3, getaddrinfo.3, getaddrinfo_a.3, getdate.3, getgrent_r.3, getgrouplist.3, getifaddrs.3, getprotoent_r.3, getservent_r.3, hsearch.3, mallinfo.3, malloc_info.3, mbstowcs.3, mtrace.3, pthread_create.3, pthread_getcpuclockid.3, pthread_setaffinity_np.3, qsort.3, rand.3, strcat.3, strtok.3, tsearch.3, wordexp.3, core.5, aio.7, inotify.7, sock_diag.7, unix.7, user_namespaces.7: Use C99 style to declare loop counter variables

Rather than: sometype x; for (x = ....; ...) use for (sometype x = ...; ...) This brings the declaration and use closer together (thus aiding readability) and also clearly indicates the scope of the loop counter variable. Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
author: Michael Kerrisk <mtk.manpages@gmail.com> 2020-09-05 17:18:10 +0200
committer: Michael Kerrisk <mtk.manpages@gmail.com> 2020-09-05 17:20:12 +0200
commit: 88893a773cbd219f08cc3ae34fffe079d89a120d (patch)
tree: 990eaeb2aef511d3e0c211b7eb4757ef25334edc /man3
parent: 3b27ce1573535e0585b83b83a8b3828af70afe67 (diff)
download: man-pages-88893a773cbd219f08cc3ae34fffe079d89a120d.tar.gz
31 files changed, 64 insertions, 84 deletions
diff --git a/man3/CPU_SET.3 b/man3/CPU_SET.3
index db5da81eeb..8fc1db5dab 100644
--- a/man3/CPU_SET.3
+++ b/man3/CPU_SET.3
@@ -329,7 +329,7 @@ main(int argc, char *argv[])
 {
     cpu_set_t *cpusetp;
     size_t size;
-    int num_cpus, cpu;
+    int num_cpus;
 
     if (argc < 2) {
         fprintf(stderr, "Usage: %s <num\-cpus>\en", argv[0]);
@@ -347,7 +347,7 @@ main(int argc, char *argv[])
     size = CPU_ALLOC_SIZE(num_cpus);
 
     CPU_ZERO_S(size, cpusetp);
-    for (cpu = 0; cpu < num_cpus; cpu += 2)
+    for (int cpu = 0; cpu < num_cpus; cpu += 2)
         CPU_SET_S(cpu, size, cpusetp);
 
     printf("CPU_COUNT() of set:    %d\en", CPU_COUNT_S(size, cpusetp));
diff --git a/man3/backtrace.3 b/man3/backtrace.3
index 703338b0f0..814cc12f7b 100644
--- a/man3/backtrace.3
+++ b/man3/backtrace.3
@@ -232,7 +232,7 @@ backtrace() returned 8 addresses
 void
 myfunc3(void)
 {
-    int j, nptrs;
+    int nptrs;
     void *buffer[BT_BUF_SIZE];
     char **strings;
 
@@ -248,7 +248,7 @@ myfunc3(void)
         exit(EXIT_FAILURE);
     }
 
-    for (j = 0; j < nptrs; j++)
+    for (int j = 0; j < nptrs; j++)
         printf("%s\en", strings[j]);
 
     free(strings);
diff --git a/man3/bsearch.3 b/man3/bsearch.3
index 6859bdba22..6dfd5158f3 100644
--- a/man3/bsearch.3
+++ b/man3/bsearch.3
@@ -122,10 +122,8 @@ compmi(const void *m1, const void *m2)
 int
 main(int argc, char **argv)
 {
-    int i;
-
     qsort(months, nr_of_months, sizeof(months[0]), compmi);
-    for (i = 1; i < argc; i++) {
+    for (int i = 1; i < argc; i++) {
         struct mi key, *res;
         key.name = argv[i];
         res = bsearch(&key, months, nr_of_months,
diff --git a/man3/dl_iterate_phdr.3 b/man3/dl_iterate_phdr.3
index f049c50719..f1bd3612fd 100644
--- a/man3/dl_iterate_phdr.3
+++ b/man3/dl_iterate_phdr.3
@@ -307,12 +307,12 @@ static int
 callback(struct dl_phdr_info *info, size_t size, void *data)
 {
     char *type;
-    int p_type, j;
+    int p_type;
 
     printf("Name: \e"%s\e" (%d segments)\en", info\->dlpi_name,
                info\->dlpi_phnum);
 
-    for (j = 0; j < info\->dlpi_phnum; j++) {
+    for (int j = 0; j < info\->dlpi_phnum; j++) {
         p_type = info\->dlpi_phdr[j].p_type;
         type =  (p_type == PT_LOAD) ? "PT_LOAD" :
                 (p_type == PT_DYNAMIC) ? "PT_DYNAMIC" :
diff --git a/man3/dlinfo.3 b/man3/dlinfo.3
index 91dedba86c..cdf63b3f31 100644
--- a/man3/dlinfo.3
+++ b/man3/dlinfo.3
@@ -271,7 +271,6 @@ main(int argc, char *argv[])
     void *handle;
     Dl_serinfo serinfo;
     Dl_serinfo *sip;
-    int j;
 
     if (argc != 2) {
         fprintf(stderr, "Usage: %s <libpath>\en", argv[0]);
@@ -317,7 +316,7 @@ main(int argc, char *argv[])
         exit(EXIT_FAILURE);
     }
 
-    for (j = 0; j < serinfo.dls_cnt; j++)
+    for (int j = 0; j < serinfo.dls_cnt; j++)
         printf("dls_serpath[%d].dls_name = %s\en",
                 j, sip\->dls_serpath[j].dls_name);
 
diff --git a/man3/duplocale.3 b/man3/duplocale.3
index d0f81d8bb1..70995a94b1 100644
--- a/man3/duplocale.3
+++ b/man3/duplocale.3
@@ -148,7 +148,6 @@ int
 main(int argc, char *argv[])
 {
     locale_t loc, nloc;
-    char *p;
 
     if (argc != 2) {
         fprintf(stderr, "Usage: %s string\en", argv[0]);
@@ -167,7 +166,7 @@ main(int argc, char *argv[])
     if (nloc == (locale_t) 0)
         errExit("duplocale");
 
-    for (p = argv[1]; *p; p++)
+    for (char *p = argv[1]; *p; p++)
         putchar(toupper_l(*p, nloc));
 
     printf("\en");
diff --git a/man3/encrypt.3 b/man3/encrypt.3
index 24cfbbd735..ea4cbe96ff 100644
--- a/man3/encrypt.3
+++ b/man3/encrypt.3
@@ -178,14 +178,13 @@ main(void)
     char orig[9] = "eggplant";
     char buf[64];
     char txt[9];
-    int i, j;
 
-    for (i = 0; i < 64; i++) {
+    for (int i = 0; i < 64; i++) {
         key[i] = rand() & 1;
     }
 
-    for (i = 0; i < 8; i++) {
-        for (j = 0; j < 8; j++) {
+    for (int i = 0; i < 8; i++) {
+        for (int j = 0; j < 8; j++) {
             buf[i * 8 + j] = orig[i] >> j & 1;
         }
         setkey(key);
@@ -193,8 +192,8 @@ main(void)
     printf("Before encrypting: %s\en", orig);
 
     encrypt(buf, 0);
-    for (i = 0; i < 8; i++) {
-        for (j = 0, txt[i] = \(aq\e0\(aq; j < 8; j++) {
+    for (int i = 0; i < 8; i++) {
+        for (int j = 0, txt[i] = \(aq\e0\(aq; j < 8; j++) {
             txt[i] |= buf[i * 8 + j] << j;
         }
         txt[8] = \(aq\e0\(aq;
@@ -202,8 +201,8 @@ main(void)
     printf("After encrypting:  %s\en", txt);
 
     encrypt(buf, 1);
-    for (i = 0; i < 8; i++) {
-        for (j = 0, txt[i] = \(aq\e0\(aq; j < 8; j++) {
+    for (int i = 0; i < 8; i++) {
+        for (int j = 0, txt[i] = \(aq\e0\(aq; j < 8; j++) {
             txt[i] |= buf[i * 8 + j] << j;
         }
         txt[8] = \(aq\e0\(aq;
diff --git a/man3/envz_add.3 b/man3/envz_add.3
index 5ee52f373a..9950b2ae25 100644
--- a/man3/envz_add.3
+++ b/man3/envz_add.3
@@ -147,10 +147,10 @@ Handle with care.
 int
 main(int argc, char *argv[], char *envp[])
 {
-    int i, e_len = 0;
+    int e_len = 0;
     char *str;
 
-    for (i = 0; envp[i] != NULL; i++)
+    for (int i = 0; envp[i] != NULL; i++)
         e_len += strlen(envp[i]) + 1;
 
     str = envz_entry(*envp, e_len, "HOME");
diff --git a/man3/fopencookie.3 b/man3/fopencookie.3
index f7803936ce..472a7f3d25 100644
--- a/man3/fopencookie.3
+++ b/man3/fopencookie.3
@@ -393,8 +393,6 @@ main(int argc, char *argv[])
     FILE *stream;
     struct memfile_cookie mycookie;
     ssize_t nread;
-    long p;
-    int j;
     char buf[1000];
 
     /* Set up the cookie before calling fopencookie() */
@@ -417,7 +415,7 @@ main(int argc, char *argv[])
 
     /* Write command\-line arguments to our file */
 
-    for (j = 1; j < argc; j++)
+    for (int j = 1; j < argc; j++)
         if (fputs(argv[j], stream) == EOF) {
             perror("fputs");
             exit(EXIT_FAILURE);
@@ -425,7 +423,7 @@ main(int argc, char *argv[])
 
     /* Read two bytes out of every five, until EOF */
 
-    for (p = 0; ; p += 5) {
+    for (long p = 0; ; p += 5) {
         if (fseek(stream, p, SEEK_SET) == \-1) {
             perror("fseek");
             exit(EXIT_FAILURE);
diff --git a/man3/getaddrinfo.3 b/man3/getaddrinfo.3
index 70e6b4cc05..c9a4b3e432 100644
--- a/man3/getaddrinfo.3
+++ b/man3/getaddrinfo.3
@@ -763,7 +763,7 @@ main(int argc, char *argv[])
 {
     struct addrinfo hints;
     struct addrinfo *result, *rp;
-    int sfd, s, j;
+    int sfd, s;
     size_t len;
     ssize_t nread;
     char buf[BUF_SIZE];
@@ -814,7 +814,7 @@ main(int argc, char *argv[])
     /* Send remaining command\-line arguments as separate
        datagrams, and read responses from server */
 
-    for (j = 3; j < argc; j++) {
+    for (int j = 3; j < argc; j++) {
         len = strlen(argv[j]) + 1;
                 /* +1 for terminating null byte */
 
diff --git a/man3/getaddrinfo_a.3 b/man3/getaddrinfo_a.3
index cd4cad0dc5..3a8ddc98ea 100644
--- a/man3/getaddrinfo_a.3
+++ b/man3/getaddrinfo_a.3
@@ -359,7 +359,7 @@ Here is the program source code
 int
 main(int argc, char *argv[])
 {
-    int i, ret;
+    int ret;
     struct gaicb *reqs[argc \- 1];
     char host[NI_MAXHOST];
     struct addrinfo *res;
@@ -369,7 +369,7 @@ main(int argc, char *argv[])
         exit(EXIT_FAILURE);
     }
 
-    for (i = 0; i < argc \- 1; i++) {
+    for (int i = 0; i < argc \- 1; i++) {
         reqs[i] = malloc(sizeof(*reqs[0]));
         if (reqs[i] == NULL) {
             perror("malloc");
@@ -386,7 +386,7 @@ main(int argc, char *argv[])
         exit(EXIT_FAILURE);
     }
 
-    for (i = 0; i < argc \- 1; i++) {
+    for (int i = 0; i < argc \- 1; i++) {
         printf("%s: ", reqs[i]\->ar_name);
         ret = gai_error(reqs[i]);
         if (ret == 0) {
diff --git a/man3/getdate.3 b/man3/getdate.3
index 83f0dcc983..188e98012c 100644
--- a/man3/getdate.3
+++ b/man3/getdate.3
@@ -290,9 +290,8 @@ int
 main(int argc, char *argv[])
 {
     struct tm *tmp;
-    int j;
 
-    for (j = 1; j < argc; j++) {
+    for (int j = 1; j < argc; j++) {
         tmp = getdate(argv[j]);
 
         if (tmp == NULL) {
diff --git a/man3/getgrent_r.3 b/man3/getgrent_r.3
index 394ccabc4f..81d81a851a 100644
--- a/man3/getgrent_r.3
+++ b/man3/getgrent_r.3
@@ -190,10 +190,10 @@ main(void)
         if (i)
             break;
         printf("%s (%d):", grpp\->gr_name, grpp\->gr_gid);
-        for (i = 0; ; i++) {
-            if (grpp\->gr_mem[i] == NULL)
+        for (int j = 0; ; j++) {
+            if (grpp\->gr_mem[j] == NULL)
                 break;
-            printf(" %s", grpp\->gr_mem[i]);
+            printf(" %s", grpp\->gr_mem[j]);
         }
         printf("\en");
     }
diff --git a/man3/getgrouplist.3 b/man3/getgrouplist.3
index 36a134949c..e2bbe790e8 100644
--- a/man3/getgrouplist.3
+++ b/man3/getgrouplist.3
@@ -152,7 +152,7 @@ ngroups = 3
 int
 main(int argc, char *argv[])
 {
-    int j, ngroups;
+    int ngroups;
     struct passwd *pw;
     struct group *gr;
 
@@ -188,7 +188,7 @@ main(int argc, char *argv[])
     /* Display list of retrieved groups, along with group names */
 
     fprintf(stderr, "ngroups = %d\en", ngroups);
-    for (j = 0; j < ngroups; j++) {
+    for (int j = 0; j < ngroups; j++) {
         printf("%d", groups[j]);
         gr = getgrgid(groups[j]);
         if (gr != NULL)
diff --git a/man3/getifaddrs.3 b/man3/getifaddrs.3
index ebdf6dc4ab..c781043ebe 100644
--- a/man3/getifaddrs.3
+++ b/man3/getifaddrs.3
@@ -263,7 +263,7 @@ wlp3s0   AF_INET6 (10)
 
 int main(int argc, char *argv[])
 {
-    struct ifaddrs *ifaddr, *ifa;
+    struct ifaddrs *ifaddr;
     int family, s;
     char host[NI_MAXHOST];
 
@@ -275,7 +275,8 @@ int main(int argc, char *argv[])
     /* Walk through linked list, maintaining head pointer so we
        can free list later */
 
-    for (ifa = ifaddr; ifa != NULL; ifa = ifa\->ifa_next) {
+    for (struct ifaddrs *ifa = ifaddr; ifa != NULL;
+             ifa = ifa\->ifa_next) {
         if (ifa\->ifa_addr == NULL)
             continue;
 
diff --git a/man3/getprotoent_r.3 b/man3/getprotoent_r.3
index 08c0d94dcb..fc7b4ff6f4 100644
--- a/man3/getprotoent_r.3
+++ b/man3/getprotoent_r.3
@@ -197,7 +197,6 @@ main(int argc, char *argv[])
     struct protoent result_buf;
     struct protoent *result;
     char buf[MAX_BUF];
-    char **p;
 
     if (argc < 2) {
         printf("Usage: %s proto\-name [buflen]\en", argv[0]);
@@ -245,7 +244,7 @@ main(int argc, char *argv[])
 
     printf("p_name=%s; p_proto=%d; aliases=",
                 result_buf.p_name, result_buf.p_proto);
-    for (p = result_buf.p_aliases; *p != NULL; p++)
+    for (char **p = result_buf.p_aliases; *p != NULL; p++)
         printf("%s ", *p);
     printf("\en");
 
diff --git a/man3/getservent_r.3 b/man3/getservent_r.3
index 42f2159f22..803ce5bcc6 100644
--- a/man3/getservent_r.3
+++ b/man3/getservent_r.3
@@ -195,7 +195,6 @@ main(int argc, char *argv[])
     struct servent *result;
     char buf[MAX_BUF];
     char *protop;
-    char **p;
 
     if (argc < 3) {
         printf("Usage: %s port\-num proto\-name [buflen]\en", argv[0]);
@@ -248,7 +247,7 @@ main(int argc, char *argv[])
     printf("s_name=%s; s_proto=%s; s_port=%d; aliases=",
                 result_buf.s_name, result_buf.s_proto,
                 ntohs(result_buf.s_port));
-    for (p = result_buf.s_aliases; *p != NULL; p++)
+    for (char **p = result_buf.s_aliases; *p != NULL; p++)
         printf("%s ", *p);
     printf("\en");
 
diff --git a/man3/hsearch.3 b/man3/hsearch.3
index f839e38256..2fd2dc2cd6 100644
--- a/man3/hsearch.3
+++ b/man3/hsearch.3
@@ -316,11 +316,10 @@ int
 main(void)
 {
     ENTRY e, *ep;
-    int i;
 
     hcreate(30);
 
-    for (i = 0; i < 24; i++) {
+    for (int i = 0; i < 24; i++) {
         e.key = data[i];
         /* data is just an integer, instead of a
            pointer to something */
@@ -333,7 +332,7 @@ main(void)
         }
     }
 
-    for (i = 22; i < 26; i++) {
+    for (int i = 22; i < 26; i++) {
         /* print two entries from the table, and
            show that two are not in the table */
         e.key = data[i];
diff --git a/man3/mallinfo.3 b/man3/mallinfo.3
index ceb62d365a..70cea83205 100644
--- a/man3/mallinfo.3
+++ b/man3/mallinfo.3
@@ -263,7 +263,7 @@ main(int argc, char *argv[])
 {
 #define MAX_ALLOCS 2000000
     char *alloc[MAX_ALLOCS];
-    int numBlocks, j, freeBegin, freeEnd, freeStep;
+    int numBlocks, freeBegin, freeEnd, freeStep;
     size_t blockSize;
 
     if (argc < 3 || strcmp(argv[1], "\-\-help") == 0) {
@@ -281,7 +281,7 @@ main(int argc, char *argv[])
     printf("============== Before allocating blocks ==============\en");
     display_mallinfo();
 
-    for (j = 0; j < numBlocks; j++) {
+    for (int j = 0; j < numBlocks; j++) {
         if (numBlocks >= MAX_ALLOCS) {
             fprintf(stderr, "Too many allocations\en");
             exit(EXIT_FAILURE);
@@ -297,7 +297,7 @@ main(int argc, char *argv[])
     printf("\en============== After allocating blocks ==============\en");
     display_mallinfo();
 
-    for (j = freeBegin; j < freeEnd; j += freeStep)
+    for (int j = freeBegin; j < freeEnd; j += freeStep)
         free(alloc[j]);
 
     printf("\en============== After freeing blocks ==============\en");
diff --git a/man3/malloc_info.3 b/man3/malloc_info.3
index a5a3195580..2a03cf4f19 100644
--- a/man3/malloc_info.3
+++ b/man3/malloc_info.3
@@ -194,13 +194,12 @@ static int numThreads, numBlocks;
 static void *
 thread_func(void *arg)
 {
-    int j;
     int tn = (int) arg;
 
     /* The multiplier \(aq(2 + tn)\(aq ensures that each thread (including
        the main thread) allocates a different amount of memory */
 
-    for (j = 0; j < numBlocks; j++)
+    for (int j = 0; j < numBlocks; j++)
         if (malloc(blockSize * (2 + tn)) == NULL)
             errExit("malloc\-thread");
 
@@ -211,7 +210,7 @@ thread_func(void *arg)
 int
 main(int argc, char *argv[])
 {
-    int j, tn, sleepTime;
+    int sleepTime;
 
     if (argc < 4) {
         fprintf(stderr,
@@ -234,7 +233,7 @@ main(int argc, char *argv[])
 
     /* Create threads that allocate different amounts of memory */
 
-    for (tn = 0; tn < numThreads; tn++) {
+    for (int tn = 0; tn < numThreads; tn++) {
         errno = pthread_create(&thr[tn], NULL, thread_func,
                                (void *) tn);
         if (errno != 0)
@@ -251,7 +250,7 @@ main(int argc, char *argv[])
 
     /* The main thread also allocates some memory */
 
-    for (j = 0; j < numBlocks; j++)
+    for (int j = 0; j < numBlocks; j++)
         if (malloc(blockSize) == NULL)
             errExit("malloc");
 
diff --git a/man3/mbstowcs.3 b/man3/mbstowcs.3
index 2f9fbc17c3..ad5a5780d8 100644
--- a/man3/mbstowcs.3
+++ b/man3/mbstowcs.3
@@ -154,7 +154,6 @@ main(int argc, char *argv[])
 {
     size_t mbslen;      /* Number of multibyte characters in source */
     wchar_t *wcs;       /* Pointer to converted wide character string */
-    wchar_t *wp;
 
     if (argc < 3) {
         fprintf(stderr, "Usage: %s <locale> <string>\en", argv[0]);
@@ -206,7 +205,7 @@ main(int argc, char *argv[])
     /* Now do some inspection of the classes of the characters in
        the wide character string */
 
-    for (wp = wcs; *wp != 0; wp++) {
+    for (wchar_t *wp = wcs; *wp != 0; wp++) {
         printf("    %lc ", (wint_t) *wp);
 
         if (!iswalpha(*wp))
diff --git a/man3/mtrace.3 b/man3/mtrace.3
index e68ada6d0f..353cfd96ab 100644
--- a/man3/mtrace.3
+++ b/man3/mtrace.3
@@ -145,11 +145,9 @@ The demonstration uses the following program:
 int
 main(int argc, char *argv[])
 {
-    int j;
-
     mtrace();
 
-    for (j = 0; j < 2; j++)
+    for (int j = 0; j < 2; j++)
         malloc(100);            /* Never freed\-\-a memory leak */
 
     calloc(16, 16);             /* Never freed\-\-a memory leak */
diff --git a/man3/pthread_create.3 b/man3/pthread_create.3
index 9df8cfcda9..c1c4c2ff51 100644
--- a/man3/pthread_create.3
+++ b/man3/pthread_create.3
@@ -305,7 +305,7 @@ static void *
 thread_start(void *arg)
 {
     struct thread_info *tinfo = arg;
-    char *uargv, *p;
+    char *uargv;
 
     printf("Thread %d: top of stack near %p; argv_string=%s\en",
             tinfo\->thread_num, &p, tinfo\->argv_string);
@@ -314,7 +314,7 @@ thread_start(void *arg)
     if (uargv == NULL)
         handle_error("strdup");
 
-    for (p = uargv; *p != \(aq\e0\(aq; p++)
+    for (char *p = uargv; *p != \(aq\e0\(aq; p++)
         *p = toupper(*p);
 
     return uargv;
@@ -323,7 +323,7 @@ thread_start(void *arg)
 int
 main(int argc, char *argv[])
 {
-    int s, tnum, opt, num_threads;
+    int s, opt, num_threads;
     pthread_attr_t attr;
     int stack_size;
     void *res;
@@ -366,7 +366,7 @@ main(int argc, char *argv[])
 
     /* Create one thread for each command\-line argument */
 
-    for (tnum = 0; tnum < num_threads; tnum++) {
+    for (int tnum = 0; tnum < num_threads; tnum++) {
         tinfo[tnum].thread_num = tnum + 1;
         tinfo[tnum].argv_string = argv[optind + tnum];
 
@@ -388,7 +388,7 @@ main(int argc, char *argv[])
 
     /* Now join with each thread, and display its returned value */
 
-    for (tnum = 0; tnum < num_threads; tnum++) {
+    for (int tnum = 0; tnum < num_threads; tnum++) {
         s = pthread_join(tinfo[tnum].thread_id, &res);
         if (s != 0)
             handle_error_en(s, "pthread_join");
diff --git a/man3/pthread_getcpuclockid.3 b/man3/pthread_getcpuclockid.3
index 8b4aebc1d4..703735b915 100644
--- a/man3/pthread_getcpuclockid.3
+++ b/man3/pthread_getcpuclockid.3
@@ -151,7 +151,7 @@ main(int argc, char *argv[])
 {
     pthread_t thread;
     clockid_t cid;
-    int j, s;
+    int s;
 
     s = pthread_create(&thread, NULL, thread_start, NULL);
     if (s != 0)
@@ -161,7 +161,7 @@ main(int argc, char *argv[])
     sleep(1);
 
     printf("Main thread consuming some CPU time...\en");
-    for (j = 0; j < 2000000; j++)
+    for (int j = 0; j < 2000000; j++)
         getppid();
 
     pclock("Process total CPU time: ", CLOCK_PROCESS_CPUTIME_ID);
diff --git a/man3/pthread_setaffinity_np.3 b/man3/pthread_setaffinity_np.3
index 57aaf12515..d85d837e98 100644
--- a/man3/pthread_setaffinity_np.3
+++ b/man3/pthread_setaffinity_np.3
@@ -182,7 +182,7 @@ to check the resulting CPU affinity mask of the thread.
 int
 main(int argc, char *argv[])
 {
-    int s, j;
+    int s;
     cpu_set_t cpuset;
     pthread_t thread;
 
@@ -191,7 +191,7 @@ main(int argc, char *argv[])
     /* Set affinity mask to include CPUs 0 to 7 */
 
     CPU_ZERO(&cpuset);
-    for (j = 0; j < 8; j++)
+    for (int j = 0; j < 8; j++)
         CPU_SET(j, &cpuset);
 
     s = pthread_setaffinity_np(thread, sizeof(cpuset), &cpuset);
@@ -205,7 +205,7 @@ main(int argc, char *argv[])
         handle_error_en(s, "pthread_getaffinity_np");
 
     printf("Set returned by pthread_getaffinity_np() contained:\en");
-    for (j = 0; j < CPU_SETSIZE; j++)
+    for (int j = 0; j < CPU_SETSIZE; j++)
         if (CPU_ISSET(j, &cpuset))
             printf("    CPU %d\en", j);
 
diff --git a/man3/qsort.3 b/man3/qsort.3
index b49c2a9d34..37c4fa1976 100644
--- a/man3/qsort.3
+++ b/man3/qsort.3
@@ -143,8 +143,6 @@ cmpstringp(const void *p1, const void *p2)
 int
 main(int argc, char *argv[])
 {
-    int j;
-
     if (argc < 2) {
         fprintf(stderr, "Usage: %s <string>...\en", argv[0]);
         exit(EXIT_FAILURE);
@@ -152,7 +150,7 @@ main(int argc, char *argv[])
 
     qsort(&argv[1], argc \- 1, sizeof(char *), cmpstringp);
 
-    for (j = 1; j < argc; j++)
+    for (int j = 1; j < argc; j++)
         puts(argv[j]);
     exit(EXIT_SUCCESS);
 }
diff --git a/man3/rand.3 b/man3/rand.3
index 36b96e933e..21b03198b8 100644
--- a/man3/rand.3
+++ b/man3/rand.3
@@ -213,7 +213,7 @@ when given a particular seed.
 int
 main(int argc, char *argv[])
 {
-    int j, r, nloops;
+    int r, nloops;
     unsigned int seed;
 
     if (argc != 3) {
@@ -225,7 +225,7 @@ main(int argc, char *argv[])
     nloops = atoi(argv[2]);
 
     srand(seed);
-    for (j = 0; j < nloops; j++) {
+    for (int j = 0; j < nloops; j++) {
         r =  rand();
         printf("%d\en", r);
     }
diff --git a/man3/strcat.3 b/man3/strcat.3
index dce33bae52..1d8fb73157 100644
--- a/man3/strcat.3
+++ b/man3/strcat.3
@@ -208,14 +208,13 @@ int
 main(int argc, char *argv[])
 {
 #define LIM 4000000
-    int j;
     char p[LIM + 1];    /* +1 for terminating null byte */
     time_t base;
 
     base = time(NULL);
     p[0] = \(aq\e0\(aq;
 
-    for (j = 0; j < LIM; j++) {
+    for (int j = 0; j < LIM; j++) {
         if ((j % 10000) == 0)
             printf("%d %ld\en", j, (long) (time(NULL) \- base));
         strcat(p, "a");
diff --git a/man3/strtok.3 b/man3/strtok.3
index bef49f17a6..fa6a0e1084 100644
--- a/man3/strtok.3
+++ b/man3/strtok.3
@@ -250,7 +250,6 @@ main(int argc, char *argv[])
 {
     char *str1, *str2, *token, *subtoken;
     char *saveptr1, *saveptr2;
-    int j;
 
     if (argc != 4) {
         fprintf(stderr, "Usage: %s string delim subdelim\en",
@@ -258,7 +257,7 @@ main(int argc, char *argv[])
         exit(EXIT_FAILURE);
     }
 
-    for (j = 1, str1 = argv[1]; ; j++, str1 = NULL) {
+    for (int j = 1, str1 = argv[1]; ; j++, str1 = NULL) {
         token = strtok_r(str1, argv[2], &saveptr1);
         if (token == NULL)
             break;
diff --git a/man3/tsearch.3 b/man3/tsearch.3
index b34ef516c3..eec9979aee 100644
--- a/man3/tsearch.3
+++ b/man3/tsearch.3
@@ -322,11 +322,10 @@ action(const void *nodep, VISIT which, int depth)
 int
 main(void)
 {
-    int i;
     void *val;
 
     srand(time(NULL));
-    for (i = 0; i < 12; i++) {
+    for (int i = 0; i < 12; i++) {
         int *ptr = xmalloc(sizeof(*ptr));
         *ptr = rand() & 0xff;
         val = tsearch((void *) ptr, &root, compare);
diff --git a/man3/wordexp.3 b/man3/wordexp.3
index d9805e1dcc..9749b1b78e 100644
--- a/man3/wordexp.3
+++ b/man3/wordexp.3
@@ -234,11 +234,10 @@ main(int argc, char **argv)
 {
     wordexp_t p;
     char **w;
-    int i;
 
     wordexp("[a\-c]*.c", &p, 0);
     w = p.we_wordv;
-    for (i = 0; i < p.we_wordc; i++)
+    for (int i = 0; i < p.we_wordc; i++)
         printf("%s\en", w[i]);
     wordfree(&p);
     exit(EXIT_SUCCESS);
author	Michael Kerrisk <mtk.manpages@gmail.com>	2020-09-05 17:18:10 +0200
committer	Michael Kerrisk <mtk.manpages@gmail.com>	2020-09-05 17:20:12 +0200
commit	88893a773cbd219f08cc3ae34fffe079d89a120d (patch)
tree	990eaeb2aef511d3e0c211b7eb4757ef25334edc /man3
parent	3b27ce1573535e0585b83b83a8b3828af70afe67 (diff)
download	man-pages-88893a773cbd219f08cc3ae34fffe079d89a120d.tar.gz