/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Edward Wang at The University of California, Berkeley. * * Redistribution and use in source and binary forms are permitted provided * that: (1) source distributions retain this entire copyright notice and * comment, and (2) distributions including binaries display the following * acknowledgement: ``This product includes software developed by the * University of California, Berkeley and its contributors'' in the * documentation or other materials provided with the distribution and in * all advertising materials mentioning features or use of this software. * Neither the name of the University nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * @(#)string.h 3.9 (Berkeley) 6/6/90 */ #define STR_DEBUG char *str_cpy(); char *str_ncpy(); char *str_cat(); char *str_itoa(); #define str_cmp(a, b) strcmp(a, b) #ifdef STR_DEBUG struct string { struct string *s_forw; struct string *s_back; char s_data[1]; }; struct string str_head; #define str_offset ((unsigned)str_head.s_data - (unsigned)&str_head) #define str_stos(s) ((struct string *)((unsigned)(s) - str_offset)) char *str_alloc(); int str_free(); #else #define str_free(s) free(s) #define str_alloc(s) malloc(s) #endif