| OS | Man Page | Section | Hits |
|---|---|---|---|
| php | ctype_digit | 3 | 1,161 |
| linux | isdigit | 3 | 809 |
| linux | iswdigit | 3 | 639 |
| freebsd | isxdigit | 3 | 631 |
| freebsd | isdigit | 3 | 619 |
| mojave | isdigit | 3 | 566 |
| posix | isdigit | 3p | 565 |
| osx | isdigit | 3 | 561 |
| osx | isxdigit | 3 | 559 |
| mojave | isxdigit | 3 | 534 |
| osx | digittoint | 3 | 533 |
| netbsd | isxdigit | 3 | 520 |
| mojave | digittoint | 3 | 517 |
| plan9 | iswdigit | 3 | 509 |
| centos | iswdigit | 3 | 498 |
| linux | iswxdigit | 3 | 494 |
| posix | isxdigit | 3p | 493 |
| freebsd | digittoint | 3 | 493 |
| x11r4 | iswxdigit | 3 | 492 |
| netbsd | isdigit | 3 | 490 |
| suse | iswdigit | 3 | 488 |
| php | iswdigit | 3 | 482 |
| redhat | iswxdigit | 3 | 475 |
| debian | iswdigit | 3 | 469 |
| sunos | isdigit | 3c | 467 |
| xfree86 | iswxdigit | 3 | 467 |
| centos | iswxdigit | 3 | 466 |
| plan9 | iswxdigit | 3 | 461 |
| v7 | iswdigit | 3 | 459 |
| opensolaris | isdigit | 3c | 459 |
| php | iswxdigit | 3 | 455 |
| suse | djvudigital | 1 | 455 |
| php | ctype_xdigit | 3 | 444 |
| freebsd | iswxdigit | 3 | 435 |
| bsd | iswdigit | 3 | 431 |
| suse | iswxdigit | 3 | 427 |
| opendarwin | iswdigit | 3 | 425 |
| redhat | iswdigit | 3 | 425 |
| bsd | isdigit | 3 | 422 |
| xfree86 | iswdigit | 3 | 420 |
| linux | isxdigit | 3 | 419 |
| x11r4 | iswdigit | 3 | 417 |
| minix | iswdigit | 3 | 417 |
| opendarwin | iswxdigit | 3 | 416 |
| debian | algorithm::checkdigits::mbase_001 | 3pm | 416 |
| debian | prelude.isdigit | 3kaya | 408 |
| debian | algorithm::checkdigits::m10_008 | 3pm | 403 |
| debian | algorithm::checkdigits::m09_001 | 3pm | 403 |
| posix | iswxdigit | 3p | 400 |
| debian | iswxdigit | 3 | 399 |