| OS | Man Page | Section | Hits |
|---|---|---|---|
| posix | isalpha | 3p | 782 |
| linux | isalpha | 3 | 757 |
| linux | iswalpha | 3 | 723 |
| bsd | isalpha | 3 | 678 |
| freebsd | isalpha | 3 | 657 |
| netbsd | isalpha | 3 | 646 |
| xfree86 | glalphafunc | 3g | 621 |
| redhat | iswalpha | 3 | 617 |
| redhat | isalpha | 3 | 606 |
| mojave | isalpha | 3 | 602 |
| suse | isalpha | 3 | 601 |
| osx | isalpha | 3 | 582 |
| opensolaris | iswalpha | 3c | 572 |
| debian | px_get_data_alpha | 3 | 562 |
| debian | px_put_data_alpha | 3 | 555 |
| php | ctype_alpha | 3 | 547 |
| debian | iswalpha | 3 | 545 |
| suse | glalphafunc | 3g | 540 |
| php | imagealphablending | 3 | 537 |
| redhat | glalphafunc | 3g | 535 |
| sunos | isalpha | 3c | 534 |
| opensolaris | mlib_imagemulalpha | 3mlib | 534 |
| hpux | isalpha | 3c | 506 |
| opendarwin | iswalpha | 3 | 501 |
| centos | iswalpha | 3 | 501 |
| linux | alphasort | 3 | 499 |
| opensolaris | isalpha | 3c | 487 |
| debian | prelude.isalpha | 3kaya | 483 |
| mojave | tcl_unicharisalpha | 3 | 478 |
| opendarwin | isalpha | 3 | 477 |
| opensolaris | mlib_imagedivalpha_inp | 3mlib | 476 |
| posix | iswalpha | 3p | 476 |
| x11r4 | iswalpha | 3 | 473 |
| sunos | mlib_imagemulalpha_inp | 3mlib | 467 |
| plan9 | iswalpha | 3 | 464 |
| freebsd | iswalpha | 3 | 464 |
| minix | iswalpha | 3 | 463 |
| x11r4 | isalpha | 3 | 462 |
| opensolaris | mlib_imagedivalpha | 3mlib | 461 |
| sunos | iswalpha | 3c | 458 |
| v7 | set_alpha_blender | 3alleg4 | 457 |
| centos | isalpha | 3 | 454 |
| v7 | iswalpha | 3 | 452 |
| suse | set_alpha_blender | 3alleg4 | 451 |
| opensolaris | mlib_imagemulalpha_inp | 3mlib | 447 |
| bsd | iswalpha | 3 | 446 |
| php | imagecolorclosestalpha | 3 | 444 |
| xfree86 | iswalpha | 3 | 443 |
| minix | isalpha | 3 | 443 |
| v7 | isalpha | 3 | 441 |