387 char int2hex(char c) {  in int2hex()  argument
388 	return hex_chars[(c & 0x0F)];  in int2hex()
943 	char c, pre1;  in buffer_path_simplify()  local
976 	c    = *(walk++);  in buffer_path_simplify()
990 		if (c == '/' || c == '\0') {  in buffer_path_simplify()
1001 				if (c == '\0')  in buffer_path_simplify()
1005 				if (c == '\0')  in buffer_path_simplify()
1012 		if (c == '\0')  in buffer_path_simplify()
1015 		pre1 = c;  in buffer_path_simplify()
1017 		c    = *walk;  in buffer_path_simplify()
1030 int light_isdigit(int c) {  in light_isdigit()  argument
1031 	return (c >= '0' && c <= '9');  in light_isdigit()
1034 int light_isxdigit(int c) {  in light_isxdigit()  argument
1035 	if (light_isdigit(c)) return 1;  in light_isxdigit()
1037 	c |= 32;  in light_isxdigit()
1038 	return (c >= 'a' && c <= 'f');  in light_isxdigit()
1041 int light_isalpha(int c) {  in light_isalpha()  argument
1042 	c |= 32;  in light_isalpha()
1043 	return (c >= 'a' && c <= 'z');  in light_isalpha()
1046 int light_isalnum(int c) {  in light_isalnum()  argument
1047 	return light_isdigit(c) || light_isalpha(c);  in light_isalnum()
1051 	char *c;  in buffer_to_lower()  local
1055 	for (c = b->ptr; *c; c++) {  in buffer_to_lower()
1056 		if (*c >= 'A' && *c <= 'Z') {  in buffer_to_lower()
1057 			*c |= 32;  in buffer_to_lower()
1066 	char *c;  in buffer_to_upper()  local
1070 	for (c = b->ptr; *c; c++) {  in buffer_to_upper()
1071 		if (*c >= 'a' && *c <= 'z') {  in buffer_to_upper()
1072 			*c &= ~32;  in buffer_to_upper()