Make all bucket and overflow addresses unsigned

[unix-history] / usr / src / lib / libc / string / string.3

.\" Copyright (c) 1990 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" Chris Torek.
.\"
.\" %sccs.include.redist.man%
.\"
.\"	@(#)string.3	6.8 (Berkeley) %G%
.\"
.TH STRING 3 ""
.UC 4
.SH NAME
strcat, strncat, strchr, strrchr, strcmp, strncmp, strcasecmp,
strncasecmp, strcpy, strncpy, strerror, strlen, strpbrk, strsep,
strspn, strcspn, strstr, strtok, index, rindex \- string operations
.SH SYNOPSIS
.nf
.ft B
#include <string.h>

char *
strcat(char *s, const char * append);

char *
strncat(char *s, const char *append, size_t count);

char *
strchr(const char *s, int c);

char *
strrchr(const char *s, int c);

strcmp(const char *s1, const char *s2);

strncmp(const char *s1, const char *s2, size_t count);

strcasecmp(const char *s1, const char *s2);

strncasecmp(const char *s1, const char *s2, size_t count);

char *
strcpy(char *dst, const char *src);

char *
strncpy(char *dst, const char *src, size_t count);

char *
strerror(int errno);

size_t
strlen(const char *s);

char *
strpbrk(const char *s, const char *charset);

char *
strsep(char **stringp, const char *delim);

size_t
strspn(const char *s, const char *charset);

size_t
strcspn(const char *s, const char *charset);

char *
strstr(const char *big, const char *little);

char *
strtok(char *s, const char *delim);

char *
index(const char *s, int c);

char *
rindex(const char *s, int c);
.ft R
.fi
.SH DESCRIPTION
These functions operate on null-terminated strings.
.PP
See the specific manual pages for more information.
.PP
Except as noted in their specific manual pages,
they do not check for overflow of any destination
string.
.SH SEE\ ALSO
index(3), strcat(3), strchr(3), strrchr(3), strcmp(3), strcasecmp(3),
strcpy(3), strerror(3), strlen(3), strpbrk(3), strsep(3), strspn(3),
strcspn(3), strstr(3), strtok(3), rindex(3)
.SH STANDARDS
.IR Strcat ,
.IR strncat ,
.IR strchr ,
.IR strrchr ,
.IR strcmp ,
.IR strncmp ,
.IR strcpy ,
.IR strncpy ,
.IR strerror ,
.IR strlen ,
.IR strpbrk ,
.IR strsep ,
.IR strspn ,
.IR strcspn ,
.IR strstr ,
and
.IR strtok
conform to ANSI X3.159-1989 (``ANSI C'').