| OS | Man Page | Section | Hits |
|---|---|---|---|
| posix | isalpha | 3p | 475 |
| linux | isalpha | 3 | 398 |
| linux | iswalpha | 3 | 351 |
| freebsd | isalpha | 3 | 343 |
| redhat | isalpha | 3 | 322 |
| php | ctype_alpha | 3 | 310 |
| osx | isalpha | 3 | 308 |
| mojave | isalpha | 3 | 300 |
| netbsd | isalpha | 3 | 297 |
| suse | isalpha | 3 | 294 |
| xfree86 | glalphafunc | 3g | 291 |
| bsd | isalpha | 3 | 281 |
| opensolaris | mlib_imagemulalpha | 3mlib | 278 |
| linux | alphasort | 3 | 276 |
| redhat | iswalpha | 3 | 274 |
| php | imagealphablending | 3 | 273 |
| debian | iswalpha | 3 | 266 |
| centos | iswalpha | 3 | 264 |
| opensolaris | iswalpha | 3c | 258 |
| suse | glalphafunc | 3g | 255 |
| sunos | mlib_imagemulalpha_inp | 3mlib | 253 |
| centos | isalpha | 3 | 252 |
| x11r4 | isalpha | 3 | 250 |
| redhat | glalphafunc | 3g | 248 |
| v7 | isalpha | 3 | 248 |
| x11r4 | iswalpha | 3 | 248 |
| opendarwin | isalpha | 3 | 242 |
| opendarwin | iswalpha | 3 | 240 |
| debian | px_put_data_alpha | 3 | 239 |
| xfree86 | isalpha | 3 | 239 |
| sunos | iswalpha | 3c | 239 |
| opensolaris | mlib_imagedivalpha | 3mlib | 238 |
| v7 | iswalpha | 3 | 236 |
| debian | isalpha | 3 | 234 |
| sunos | isalpha | 3c | 234 |
| posix | iswalpha | 3p | 232 |
| linux | set_alpha_blender | 3alleg4 | 231 |
| debian | px_get_data_alpha | 3 | 230 |
| mojave | tcl_unicharisalpha | 3 | 225 |
| debian | prelude.isalpha | 3kaya | 222 |
| php | imagecolorallocatealpha | 3 | 221 |
| hpux | isalpha | 3c | 220 |
| xfree86 | iswalpha | 3 | 220 |
| opensolaris | isalpha | 3c | 219 |
| minix | isalpha | 3 | 219 |
| opensolaris | mlib_imagedivalpha_inp | 3mlib | 218 |
| plan9 | iswalpha | 3 | 217 |
| php | isalpha | 3 | 217 |
| opensolaris | mlib_imagemulalpha_inp | 3mlib | 217 |
| freebsd | iswalpha | 3 | 216 |