strchr 21 grep.c while((q = strchr(p, '\n')) != 0){ strchr 273 sh.c while(s < es && strchr(whitespace, *s)) strchr 298 sh.c while(s < es && !strchr(whitespace, *s) && !strchr(symbols, *s)) strchr 305 sh.c while(s < es && strchr(whitespace, *s)) strchr 317 sh.c while(s < es && strchr(whitespace, *s)) strchr 320 sh.c return *s && strchr(toks, *s); strchr 31 user.h char* strchr(const char*, char c); strchr 20 wc.c if(strchr(" \r\t\n\v", buf[i]))