| OS | Man Page | Section | Hits |
|---|---|---|---|
| posix | isalpha | 3p | 654 |
| linux | iswalpha | 3 | 600 |
| linux | isalpha | 3 | 599 |
| bsd | isalpha | 3 | 532 |
| freebsd | isalpha | 3 | 522 |
| xfree86 | glalphafunc | 3g | 496 |
| netbsd | isalpha | 3 | 493 |
| redhat | iswalpha | 3 | 493 |
| mojave | isalpha | 3 | 493 |
| suse | isalpha | 3 | 479 |
| redhat | isalpha | 3 | 474 |
| osx | isalpha | 3 | 469 |
| opensolaris | iswalpha | 3c | 466 |
| php | ctype_alpha | 3 | 454 |
| sunos | isalpha | 3c | 438 |
| suse | glalphafunc | 3g | 437 |
| debian | iswalpha | 3 | 429 |
| redhat | glalphafunc | 3g | 429 |
| debian | px_put_data_alpha | 3 | 425 |
| php | imagealphablending | 3 | 419 |
| opensolaris | mlib_imagemulalpha | 3mlib | 418 |
| linux | alphasort | 3 | 416 |
| centos | iswalpha | 3 | 412 |
| opensolaris | isalpha | 3c | 411 |
| opendarwin | iswalpha | 3 | 406 |
| x11r4 | isalpha | 3 | 392 |
| hpux | isalpha | 3c | 390 |
| mojave | tcl_unicharisalpha | 3 | 387 |
| sunos | iswalpha | 3c | 384 |
| debian | prelude.isalpha | 3kaya | 383 |
| x11r4 | iswalpha | 3 | 382 |
| sunos | mlib_imagemulalpha_inp | 3mlib | 380 |
| opendarwin | isalpha | 3 | 377 |
| centos | isalpha | 3 | 373 |
| v7 | iswalpha | 3 | 370 |
| plan9 | iswalpha | 3 | 370 |
| posix | iswalpha | 3p | 370 |
| opensolaris | mlib_imagedivalpha | 3mlib | 368 |
| v7 | isalpha | 3 | 368 |
| debian | px_get_data_alpha | 3 | 362 |
| xfree86 | isalpha | 3 | 361 |
| opensolaris | mlib_imagedivalpha_inp | 3mlib | 360 |
| opensolaris | mlib_imagemulalpha_inp | 3mlib | 359 |
| xfree86 | iswalpha | 3 | 358 |
| freebsd | iswalpha | 3 | 356 |
| bsd | iswalpha | 3 | 354 |
| php | iswalpha | 3 | 352 |
| php | imagecolorallocatealpha | 3 | 346 |
| php | imagesavealpha | 3 | 344 |
| opensolaris | sdl_setalpha | 3 | 344 |