| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pcrecallout | 3 | 398 |
| x11r4 | pcrecallout | 3 | 308 |
| opensolaris | pcrecallout | 3 | 295 |
| ultrix | pcrecallout | 3 | 270 |
| debian | pcrecallout | 3 | 263 |
| osx | pcrecallout | 3 | 261 |
| posix | pcrecallout | 3 | 259 |
| xfree86 | pcrecallout | 3 | 252 |
| mojave | pcrecallout | 3 | 245 |
| centos | pcrecallout | 3 | 236 |
| plan9 | pcrecallout | 3 | 225 |
| suse | pcrecallout | 3 | 216 |
| hpux | pcrecallout | 3 | 216 |
| php | pcrecallout | 3 | 213 |
| v7 | pcrecallout | 3 | 204 |