1*1f5207b7SJohn Levon 
2*1f5207b7SJohn Levon extern float strtof(const char *__restrict__ ptr, char **__restrict__ endptr);
3*1f5207b7SJohn Levon extern double strtod(const char *__restrict ptr, char **__restrict endptr);
4*1f5207b7SJohn Levon /* restrict: -std=c99 or -std=gnu99 or -std=c11 */
5*1f5207b7SJohn Levon extern long double strtold(const char *restrict ptr, char **restrict endptr);
6*1f5207b7SJohn Levon 
7*1f5207b7SJohn Levon extern int (*funcs[])(void);
8*1f5207b7SJohn Levon 
9*1f5207b7SJohn Levon /* typeof: no -std or -std=gnu90 or -std=gnu99 or -std=gnu11 */
10*1f5207b7SJohn Levon extern typeof (funcs[0]) f0;
11*1f5207b7SJohn Levon extern __typeof (funcs[1]) f1;
12*1f5207b7SJohn Levon extern __typeof__(funcs[2]) f2;
13*1f5207b7SJohn Levon 
14*1f5207b7SJohn Levon typedef unsigned short uint16_t;
15*1f5207b7SJohn Levon typedef unsigned int uint32_t;
16*1f5207b7SJohn Levon typedef unsigned long long uint64_t;
17*1f5207b7SJohn Levon 
swap16(uint16_t val)18*1f5207b7SJohn Levon static __inline__ uint16_t swap16(uint16_t val)
19*1f5207b7SJohn Levon {
20*1f5207b7SJohn Levon 	return ((((uint16_t)(val) & (uint16_t)0x00ffU) << 8) |
21*1f5207b7SJohn Levon 		(((uint16_t)(val) & (uint16_t)0xff00U) >> 8));
22*1f5207b7SJohn Levon }
23*1f5207b7SJohn Levon 
swap32(uint32_t val)24*1f5207b7SJohn Levon static __inline uint32_t swap32(uint32_t val)
25*1f5207b7SJohn Levon {
26*1f5207b7SJohn Levon 	return ((((uint32_t)(val) & (uint32_t)0x000000ffUL) << 24) |
27*1f5207b7SJohn Levon 		(((uint32_t)(val) & (uint32_t)0x0000ff00UL) <<  8) |
28*1f5207b7SJohn Levon 		(((uint32_t)(val) & (uint32_t)0x00ff0000UL) >>  8) |
29*1f5207b7SJohn Levon 		(((uint32_t)(val) & (uint32_t)0xff000000UL) >> 24));
30*1f5207b7SJohn Levon }
31*1f5207b7SJohn Levon 
32*1f5207b7SJohn Levon /* inline: no -std or -std=gnu90 or -std=c99 or -std=c11 */
swap64(uint64_t val)33*1f5207b7SJohn Levon static inline uint64_t swap64(uint64_t val)
34*1f5207b7SJohn Levon {
35*1f5207b7SJohn Levon 	return ((((uint64_t)(val) & (uint64_t)0x00000000000000ffULL) << 56) |
36*1f5207b7SJohn Levon 		(((uint64_t)(val) & (uint64_t)0x000000000000ff00ULL) << 40) |
37*1f5207b7SJohn Levon 		(((uint64_t)(val) & (uint64_t)0x0000000000ff0000ULL) << 24) |
38*1f5207b7SJohn Levon 		(((uint64_t)(val) & (uint64_t)0x00000000ff000000ULL) <<  8) |
39*1f5207b7SJohn Levon 		(((uint64_t)(val) & (uint64_t)0x000000ff00000000ULL) >>  8) |
40*1f5207b7SJohn Levon 		(((uint64_t)(val) & (uint64_t)0x0000ff0000000000ULL) >> 24) |
41*1f5207b7SJohn Levon 		(((uint64_t)(val) & (uint64_t)0x00ff000000000000ULL) >> 40) |
42*1f5207b7SJohn Levon 		(((uint64_t)(val) & (uint64_t)0xff00000000000000ULL) >> 56));
43*1f5207b7SJohn Levon }
44*1f5207b7SJohn Levon /*
45*1f5207b7SJohn Levon  * check-name: alternate keywords
46*1f5207b7SJohn Levon  */
47