diff options
Diffstat (limited to 'man2/intro.2')
| -rw-r--r-- | man2/intro.2 | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/man2/intro.2 b/man2/intro.2 index d0d18dc67a..ea9a84c6ce 100644 --- a/man2/intro.2 +++ b/man2/intro.2 @@ -39,7 +39,7 @@ wrapper functions which perform the steps required the system call. Thus, making a system call looks the same as invoking a normal library function. - +.PP In many cases, the C library wrapper function does nothing more than: .IP * 3 copying arguments and the unique system call number to the @@ -62,7 +62,7 @@ try to note the details of both the (usually GNU) C library API interface and the raw system call. Most commonly, the main DESCRIPTION will focus on the C library interface, and differences for the system call are covered in the NOTES section. - +.PP For a list of the Linux system calls, see .BR syscalls (2). .SH RETURN VALUE @@ -74,12 +74,12 @@ system call returns a negative value, the wrapper copies the absolute value into the .I errno variable, and returns \-1 as the return value of the wrapper. - +.PP The value returned by a successful system call depends on the call. Many system calls return 0 on success, but some can return nonzero values from a successful call. The details are described in the individual manual pages. - +.PP In some cases, the programmer must define a feature test macro in order to obtain the declaration of a system call from the header file specified |