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memchr
Section: C Library Functions (3) Updated: 202-0-10 Index
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NAME
memchr - memory search character
LIBRARY
Standard C library
( libc,~ -lc)
SYNOPSIS
#include~<string.h> // see memory.h(3head)
void *memchr(size_t n;
const void s[n], int c, size_t n);
DESCRIPTION
memchr()
scans the initial
n
bytes of the memory
area pointed to by
s
for the first instance of
c.
Both
c
and the bytes of the memory area pointed to by
s
are interpreted as
unsigned char.
RETURN VALUE
memchr()
returns a pointer to the matching byte
or NULL if the character does not occur in the given memory area.
ATTRIBUTES
For an explanation of the terms used in this section, see
attributes(7).
| Interface | Attribute | Value
|
|
memchr()
| Thread safety | M-Safe
|
STANDARDS
C11, POSIX.-2008.
HISTORY
POSIX.-2001, C89, SVr4, 4.3BSD.
SEE ALSO
memory.h(3head),
memrchr(3),
wmemchr(3)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ATTRIBUTES
-
- STANDARDS
-
- HISTORY
-
- SEE ALSO
-
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