| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | feature_test_macros | 7 | 635 |
| centos | feature_test_macros | 7 | 365 |
| php | feature_test_macros | 7 | 327 |
| posix | feature_test_macros | 7 | 319 |
| debian | feature_test_macros | 7 | 311 |
| xfree86 | feature_test_macros | 7 | 299 |
| opendarwin | feature_test_macros | 7 | 295 |
| v7 | feature_test_macros | 7 | 292 |
| x11r4 | feature_test_macros | 7 | 287 |
| suse | feature_test_macros | 7 | 280 |
| freebsd | feature_test_macros | 7 | 246 |
| minix | feature_test_macros | 7 | 243 |
| plan9 | feature_test_macros | 7 | 233 |
| osx | feature_test_macros | 7 | 233 |
| bsd | feature_test_macros | 7 | 224 |
| redhat | feature_test_macros | 7 | 212 |
| ultrix | feature_test_macros | 7 | 209 |
| mojave | feature_test_macros | 7 | 206 |
| hpux | feature_test_macros | 7 | 204 |
| sunos | feature_test_macros | 7 | 194 |
| opensolaris | feature_test_macros | 7 | 175 |
| osf1 | feature_test_macros | 7 | 166 |
| netbsd | feature_test_macros | 7 | 144 |