NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ATTRIBUTES | CONFORMING TO | SEE ALSO | COLOPHON

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

NAME         top

       memset - fill memory with a constant byte

SYNOPSIS         top

       #include <string.h>
       void *memset(void *s, int c, size_t n);

DESCRIPTION         top

       The memset() function fills the first n bytes of the memory area
       pointed to by s with the constant byte c.

RETURN VALUE         top

       The memset() function returns a pointer to the memory area s.

ATTRIBUTES         top

       For an explanation of the terms used in this section, see
       attributes(7).
       ┌──────────┬───────────────┬─────────┐
       │Interface Attribute     Value   │
       ├──────────┼───────────────┼─────────┤
       │memset()  │ Thread safety │ MT-Safe │
       └──────────┴───────────────┴─────────┘

CONFORMING TO         top

       POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD.

SEE ALSO         top

       bstring(3), bzero(3), swab(3), wmemset(3)

COLOPHON         top

       This page is part of release 4.12 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
       https://www.kernel.org/doc/man-pages/.
GNU                              2017-03-13                        MEMSET(3)

Pages that refer to this page: set_thread_area(2)bstring(3)bzero(3)wmemset(3)aio(7)feature_test_macros(7)signal-safety(7)