| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | isdigit | 3 | 385 |
| linux | iswdigit | 3 | 136 |
| freebsd | isxdigit | 3 | 135 |
| freebsd | isdigit | 3 | 126 |
| linux | iswxdigit | 3 | 123 |
| mojave | isdigit | 3 | 111 |
| freebsd | digittoint | 3 | 111 |
| opensolaris | isdigit | 3c | 93 |
| suse | djvudigital | 1 | 93 |
| php | ctype_digit | 3 | 90 |
| osx | isdigit | 3 | 87 |
| linux | isxdigit | 3 | 86 |
| osx | isxdigit | 3 | 85 |
| posix | isdigit | 3p | 85 |
| netbsd | isxdigit | 3 | 85 |
| plan9 | iswdigit | 3 | 83 |
| opendarwin | iswdigit | 3 | 82 |
| osx | digittoint | 3 | 81 |
| mojave | isxdigit | 3 | 80 |
| linux | isdigit_l | 3 | 80 |
| php | iswxdigit | 3 | 79 |
| centos | iswdigit | 3 | 78 |
| php | iswdigit | 3 | 73 |
| netbsd | isdigit | 3 | 73 |
| sunos | isdigit | 3c | 73 |
| redhat | iswdigit | 3 | 73 |
| bsd | isxdigit | 3 | 72 |
| redhat | iswxdigit | 3 | 72 |
| debian | iswdigit | 3 | 72 |
| mojave | digittoint | 3 | 72 |
| posix | isxdigit | 3p | 71 |
| xfree86 | iswxdigit | 3 | 70 |
| v7 | iswxdigit | 3 | 68 |
| v7 | iswdigit | 3 | 68 |
| bsd | isdigit | 3 | 68 |
| centos | iswxdigit | 3 | 68 |
| debian | djvudigital | 1 | 65 |
| ultrix | isdigit | 3 | 65 |
| x11r4 | iswxdigit | 3 | 65 |
| freebsd | iswxdigit | 3 | 65 |
| posix | iswxdigit | 3p | 64 |
| minix | iswdigit | 3 | 64 |
| freebsd | iswdigit | 3 | 63 |
| suse | iswdigit | 3 | 62 |
| redhat | isdigit | 3 | 62 |
| centos | isdigit | 3p | 61 |
| posix | iswdigit | 3p | 60 |
| x11r4 | iswdigit | 3 | 60 |
| redhat | isxdigit | 3 | 60 |
| mojave | iswdigit | 3 | 60 |