MEMSET(3) - man page online | library functions

Fill memory with a constant byte.

MEMSET(3)                           Linux Programmer's Manual                           MEMSET(3)

NAME memset - fill memory with a constant byte
SYNOPSIS #include <string.h> void *memset(void *s, int c, size_t n);
DESCRIPTION The memset() function fills the first n bytes of the memory area pointed to by s with the constant byte c.
RETURN VALUE The memset() function returns a pointer to the memory area s.
ATTRIBUTES For an explanation of the terms used in this section, see attributes(7). ┌──────────┬───────────────┬─────────┐ │Interface │ Attribute │ Value │ ├──────────┼───────────────┼─────────┤ │memset() │ Thread safety │ MT-Safe │ └──────────┴───────────────┴─────────┘
CONFORMING TO POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD.
SEE ALSO bzero(3), swab(3), wmemset(3)
COLOPHON This page is part of release 4.04 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at
GNU 2015-08-08 MEMSET(3)
This manual Reference Other manuals
memset(3) referred by aio(7) | bstring(3) | bzero(3) | explicit_bzero(3) | feature_test_macros(7) | pf(4freebsd) | set_thread_area(2) | strset(3pub) | wmemset(3)
refer to attributes(7) | bzero(3) | swab(3) | wmemset(3)