memset(3)

1memset(3)                  Library Functions Manual                  memset(3)
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NAME

6       memset - fill memory with a constant byte
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LIBRARY

9       Standard C library (libc, -lc)
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SYNOPSIS

12       #include <string.h>
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14       void *memset(void s[.n], int c, size_t n);
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DESCRIPTION

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

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

24       For an  explanation  of  the  terms  used  in  this  section,  see  at‐
25       tributes(7).
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27       ┌────────────────────────────────────────────┬───────────────┬─────────┐
28       │Interface                                   │ Attribute     │ Value   │
29       ├────────────────────────────────────────────┼───────────────┼─────────┤
30       │memset()                                    │ Thread safety │ MT-Safe │
31       └────────────────────────────────────────────┴───────────────┴─────────┘
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STANDARDS

34       C11, POSIX.1-2008.
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HISTORY

37       POSIX.1-2001, C89, SVr4, 4.3BSD.
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