| memset(3P, 3p) | set bytes in memory |
| memset(3) | fill memory with a constant byte |
| bstring, bcmp, bcopy, bzero, memccpy, memchr, memcmp, memcpy, memfrob, memmem, memmove, memset(3) | byte string operations |
| memset(3) | Library Functions Manual | memset(3) |
memset - fill memory with a constant byte
Standard C library (libc, -lc)
#include <string.h>
void *memset(void s[.n], int c, size_t n);
The memset() function fills the first n bytes of the memory area pointed to by s with the constant byte c.
The memset() function returns a pointer to the memory area s.
For an explanation of the terms used in this section, see attributes(7).
| Interface | Attribute | Value |
| memset () | Thread safety | MT-Safe |
C11, POSIX.1-2008.
POSIX.1-2001, C89, SVr4, 4.3BSD.
bstring(3), bzero(3), swab(3), wmemset(3)
| 2023-07-20 | Linux man-pages 6.05.01 |