| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | feature_test_macros | 7 | 342 |
| centos | feature_test_macros | 7 | 189 |
| debian | feature_test_macros | 7 | 159 |
| xfree86 | feature_test_macros | 7 | 146 |
| opendarwin | feature_test_macros | 7 | 142 |
| php | feature_test_macros | 7 | 135 |
| freebsd | feature_test_macros | 7 | 135 |
| suse | feature_test_macros | 7 | 132 |
| x11r4 | feature_test_macros | 7 | 132 |
| posix | feature_test_macros | 7 | 123 |
| osx | feature_test_macros | 7 | 119 |
| minix | feature_test_macros | 7 | 118 |
| v7 | feature_test_macros | 7 | 117 |
| bsd | feature_test_macros | 7 | 115 |
| redhat | feature_test_macros | 7 | 109 |
| sunos | feature_test_macros | 7 | 105 |
| plan9 | feature_test_macros | 7 | 100 |
| mojave | feature_test_macros | 7 | 98 |
| ultrix | feature_test_macros | 7 | 97 |
| hpux | feature_test_macros | 7 | 94 |
| opensolaris | feature_test_macros | 7 | 83 |
| osf1 | feature_test_macros | 7 | 79 |
| netbsd | feature_test_macros | 7 | 60 |