1*48350Scael.\" Copyright (c) 1990, 1991 The Regents of the University of California. 241987Sbostic.\" All rights reserved. 320458Smckusick.\" 441987Sbostic.\" This code is derived from software contributed to Berkeley by 541987Sbostic.\" Chris Torek. 641987Sbostic.\" %sccs.include.redist.man% 741987Sbostic.\" 8*48350Scael.\" @(#)string.3 6.9 (Berkeley) 04/19/91 941987Sbostic.\" 10*48350Scael.Dd 11*48350Scael.Dt STRING 3 12*48350Scael.Os BSD 4 13*48350Scael.Sh NAME 14*48350Scael.Nm strcat , 15*48350Scael.Nm strncat , 16*48350Scael.Nm strchr , 17*48350Scael.Nm strrchr , 18*48350Scael.Nm strcmp , 19*48350Scael.Nm strncmp , 20*48350Scael.Nm strcasecmp, 21*48350Scael.Nm strncasecmp , 22*48350Scael.Nm strcpy , 23*48350Scael.Nm strncpy , 24*48350Scael.Nm strerror , 25*48350Scael.Nm strlen , 26*48350Scael.Nm strpbrk , 27*48350Scael.Nm strsep, 28*48350Scael.Nm strspn , 29*48350Scael.Nm strcspn , 30*48350Scael.Nm strstr , 31*48350Scael.Nm strtok , 32*48350Scael.Nm index , 33*48350Scael.Nm rindex 34*48350Scael.Nd string specific functions 35*48350Scael.Sh SYNOPSIS 36*48350Scael.Fd #include <string.h> 37*48350Scael.Ft char * 38*48350Scael.Fn strcat "char *s" "const char * append" 39*48350Scael.Ft char * 40*48350Scael.Fn strncat "char *s" "const char *append" "size_t count" 41*48350Scael.Ft char * 42*48350Scael.Fn strchr "const char *s" "int c" 43*48350Scael.Ft char * 44*48350Scael.Fn strrchr "const char *s" "int c" 45*48350Scael.Ft int 46*48350Scael.Fn strcmp "const char *s1" "const char *s2" 47*48350Scael.Ft int 48*48350Scael.Fn strncmp "const char *s1" "const char *s2" "size_t count" 49*48350Scael.Ft int 50*48350Scael.Fn strcasecmp "const char *s1" "const char *s2" 51*48350Scael.Ft int 52*48350Scael.Fn strncasecmp "const char *s1" "const char *s2" "size_t count" 53*48350Scael.Ft char * 54*48350Scael.Fn strcpy "char *dst" "const char *src" 55*48350Scael.Ft char * 56*48350Scael.Fn strncpy "char *dst" "const char *src" "size_t count" 57*48350Scael.Ft char * 58*48350Scael.Fn strerror "int errno" 59*48350Scael.Ft size_t 60*48350Scael.Fn strlen "const char *s" 61*48350Scael.Ft char * 62*48350Scael.Fn strpbrk "const char *s" "const char *charset" 63*48350Scael.Ft char * 64*48350Scael.Fn strsep "char **stringp" "const char *delim" 65*48350Scael.Ft size_t 66*48350Scael.Fn strspn "const char *s" "const char *charset" 67*48350Scael.Ft size_t 68*48350Scael.Fn strcspn "const char *s" "const char *charset" 69*48350Scael.Ft char * 70*48350Scael.Fn strstr "const char *big" "const char *little" 71*48350Scael.Ft char * 72*48350Scael.Fn strtok "char *s" "const char *delim" 73*48350Scael.Ft char * 74*48350Scael.Fn index "const char *s" "int c" 75*48350Scael.Ft char * 76*48350Scael.Fn rindex "const char *s" "int c" 77*48350Scael.Sh DESCRIPTION 78*48350ScaelThe string functions 79*48350Scaelfunctions manipulate strings terminated by a 80*48350Scaelnull byte. 81*48350Scael.Pp 8241987SbosticSee the specific manual pages for more information. 83*48350ScaelFor manipulating variable length generic objects as byte 84*48350Scaelstrings (without the null byte check), see 85*48350Scael.Xr bstring 3 . 86*48350Scael.Pp 8741987SbosticExcept as noted in their specific manual pages, 88*48350Scaelthe string functions do not test the destination 89*48350Scaelfor size limitations. 90*48350Scael.Sh SEE ALSO 91*48350Scael.Xr index 3 , 92*48350Scael.Xr strcat 3 , 93*48350Scael.Xr strchr 3 , 94*48350Scael.Xr strrchr 3 , 95*48350Scael.Xr strcmp 3 , 96*48350Scael.Xr strcasecmp 3 , 97*48350Scael.Xr strcpy 3 , 98*48350Scael.Xr strerror 3 , 99*48350Scael.Xr strlen 3 , 100*48350Scael.Xr strpbrk 3 , 101*48350Scael.Xr strsep 3 , 102*48350Scael.Xr strspn 3 , 103*48350Scael.Xr strcspn 3 , 104*48350Scael.Xr strstr 3 , 105*48350Scael.Xr strtok 3 , 106*48350Scael.Xr rindex 3 107*48350Scael.Xr bstring 3 108*48350Scael.Sh STANDARDS 109*48350ScaelThe 110*48350Scael.Fn strcat , 111*48350Scael.Fn strncat , 112*48350Scael.Fn strchr , 113*48350Scael.Fn strrchr , 114*48350Scael.Fn strcmp , 115*48350Scael.Fn strncmp , 116*48350Scael.Fn strcpy , 117*48350Scael.Fn strncpy , 118*48350Scael.Fn strerror , 119*48350Scael.Fn strlen , 120*48350Scael.Fn strpbrk , 121*48350Scael.Fn strsep , 122*48350Scael.Fn strspn , 123*48350Scael.Fn strcspn , 124*48350Scael.Fn strstr , 12541987Sbosticand 126*48350Scael.Fn strtok 127*48350Scaelfunctions 128*48350Scaelconform to 129*48350Scael.St -ansiC . 130