pbm_next_char    7337 src/image.c      while ((c = pbm_next_char (s, end)) != -1 && c_isspace (c))
pbm_next_char    7344 src/image.c          while ((c = pbm_next_char (s, end)) != -1 && c_isdigit (c))
pbm_next_char    7544 src/image.c    		while ((c = pbm_next_char (&p, end)) != -1 && c_isspace (c))