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-rw-r--r--man2/outb.23
1 files changed, 3 insertions, 0 deletions
diff --git a/man2/outb.2 b/man2/outb.2
index 722ea792e9..b3c819d470 100644
--- a/man2/outb.2
+++ b/man2/outb.2
@@ -9,6 +9,9 @@
outb, outw, outl, outsb, outsw, outsl,
inb, inw, inl, insb, insw, insl,
outb_p, outw_p, outl_p, inb_p, inw_p, inl_p \- port I/O
+.SH LIBRARY
+Standard C library
+.RI ( libc ", " -lc )
.SH SYNOPSIS
.nf
.B #include <sys/io.h>