memset(3) Library Functions Manual memset(3)
NAME
memset - fill memory with a constant byte
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <string.h>
void *memset(void s[.n], 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 │
└────────────────────────────────────────────┴───────────────┴─────────┘
STANDARDS
C11, POSIX.1-2008.
HISTORY
POSIX.1-2001, C89, SVr4, 4.3BSD.
SEE ALSO
bstring(3), bzero(3), swab(3), wmemset(3)
Linux man-pages 6.9.1 2024-05-02 memset(3)
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