| STRING(3) | Library Functions Manual | STRING(3) | 
string —
#include <string.h>
char *
  
  stpcpy(char
    *dst, const char
    *src);
char *
  
  stpncpy(char
    *dst, const char
    *src, size_t
    count);
char *
  
  strcat(char
    *s, const char *
    append);
size_t
  
  strlcat(char
    *dst, const char
    *src, size_t
  size);
char *
  
  strncat(char
    *s, const char
    *append, size_t
    count);
char *
  
  strchr(const
    char *s, int
  c);
char *
  
  strrchr(const
    char *s, int
  c);
int
  
  strcmp(const
    char *s1, const char
    *s2);
int
  
  strncmp(const
    char *s1, const char
    *s2, size_t
  count);
int
  
  strcasecmp(const
    char *s1, const char
    *s2);
int
  
  strncasecmp(const
    char *s1, const char
    *s2, size_t
  count);
int
  
  strcoll(const
    char *s1, const char
    *s2);
char *
  
  strcpy(char
    *dst, const char
    *src);
size_t
  
  strlcpy(char
    *dst, const char
    *src, size_t
  size);
char *
  
  strncpy(char
    *dst, const char
    *src, size_t
    count);
char *
  
  strerror(int
    errno);
int
  
  strerror_r(int
    errnum, char
    *strerrbuf, size_t
    buflen);
size_t
  
  strlen(const
    char *s);
size_t
  
  strnlen(const
    char *s, size_t
    count);
char *
  
  strpbrk(const
    char *s, const char
    *charset);
char *
  
  strsep(char
    **stringp, const char
    *delim);
char *
  
  stresep(char
    **stringp, const char
    *delim, int
    escape);
size_t
  
  strspn(const
    char *s, const char
    *charset);
size_t
  
  strcspn(const
    char *s, const char
    *charset);
char *
  
  strdup(const
    char *str);
char *
  
  strndup(const
    char *str, size_t
    len);
char *
  
  strstr(const
    char *big, const char
    *little);
char *
  
  strcasestr(const
    char *big, const char
    *little);
char *
  
  strtok(char
    *s, const char
    *delim);
char *
  
  strtok_r(char
    *s, const char
    *delim, char
    **lasts);
size_t
  
  strxfrm(char
    *dst, const char
    *src, size_t
  n);
See the specific manual pages for more information. For manipulating variable length generic objects as byte strings (without the nul byte check), see bstring(3).
Except as noted in their specific manual pages, the string functions do not test the destination for size limitations.
strcat(), strncat(),
  strchr(), strrchr(),
  strcmp(), strncmp(),
  strcpy(), strncpy(),
  strcoll(), strerror(),
  strlen(), strpbrk(),
  strsep(), strspn(),
  strcspn(), strstr(),
  strtok(), and strxfrm()
  functions conform to ANSI X3.159-1989
  (“ANSI C89”).
The strtok_r() function conforms to
    IEEE Std 1003.1c-1995
  (“POSIX.1c”).
The strerror_r() function conforms to
    IEEE Std 1003.1-2001 (“POSIX.1”).
| April 26, 2017 | NetBSD 9.3 |