strchr 21 grep.c while((q = strchr(p, '\n')) != 0){ strchr 272 sh.c while(s < es && strchr(whitespace, *s)) strchr 297 sh.c while(s < es && !strchr(whitespace, *s) && !strchr(symbols, *s)) strchr 304 sh.c while(s < es && strchr(whitespace, *s)) strchr 316 sh.c while(s < es && strchr(whitespace, *s)) strchr 319 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]))