| OS | Man Page | Section | Hits |
|---|---|---|---|
| centos | pthread_once | 3p | 441 |
| freebsd | pthread_once | 3 | 432 |
| opensolaris | pthread_once | 3c | 392 |
| osx | pthread_once | 3 | 367 |
| netbsd | pthread_once | 3 | 364 |
| debian | pthread_once | 3 | 363 |
| mojave | pthread_once | 3 | 349 |
| linux | pthread_once | 3 | 328 |
| suse | pthread_once | 3p | 316 |
| hpux | pthread_once | 3t | 295 |
| posix | pthread_once | 3p | 287 |
| linux | pthread_once | 3posix | 282 |
| sunos | pthread_once | 3c | 280 |
| osf1 | pthread_once | 3 | 258 |
| redhat | pthread_once | 3 | 178 |