memset - fill memory with a constant byte
Contents
Attributes
For an explanation of the terms used in this section, see attributes(7).
┌─────────────────────────────────────────────────────────────────────────────┬───────────────┬─────────┐
│ Interface │ Attribute │ Value │
├─────────────────────────────────────────────────────────────────────────────┼───────────────┼─────────┤
│ memset() │ Thread safety │ MT-Safe │
└─────────────────────────────────────────────────────────────────────────────┴───────────────┴─────────┘
Description
The memset() function fills the first n bytes of the memory area pointed to by s with the constant byte
c.
History
POSIX.1-2001, C89, SVr4, 4.3BSD.
Library
Standard C library (libc, -lc)
Name
memset - fill memory with a constant byte
Return Value
The memset() function returns a pointer to the memory area s.
See Also
bstring(3), bzero(3), swab(3), wmemset(3) Linux man-pages 6.9.1 2024-05-02 memset(3)
Standards
C11, POSIX.1-2008.
Synopsis
#include<string.h>void*memset(voids[.n],intc,size_tn);