| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | iswalpha | 3 | 260 |
| redhat | iswalpha | 3 | 192 |
| opensolaris | iswalpha | 3c | 182 |
| sunos | iswalpha | 3c | 180 |
| debian | iswalpha | 3 | 177 |
| x11r4 | iswalpha | 3 | 172 |
| v7 | iswalpha | 3 | 172 |
| centos | iswalpha | 3 | 169 |
| opendarwin | iswalpha | 3 | 163 |
| posix | iswalpha | 3p | 163 |
| xfree86 | iswalpha | 3 | 153 |
| php | iswalpha | 3 | 151 |
| minix | iswalpha | 3 | 148 |
| freebsd | iswalpha | 3 | 145 |
| mojave | iswalpha | 3 | 144 |
| bsd | iswalpha | 3 | 143 |
| suse | iswalpha | 3 | 138 |
| plan9 | iswalpha | 3 | 135 |
| freebsd | iswalpha_l | 3 | 126 |
| suse | iswalpha | 3p | 125 |
| centos | iswalpha | 3p | 118 |
| osx | iswalpha | 3 | 118 |
| osx | iswalpha_l | 3 | 100 |
| mojave | iswalpha_l | 3 | 99 |
| netbsd | iswalpha | 3 | 92 |
| hpux | iswalpha | 3c | 84 |
| osf1 | iswalpha | 3 | 82 |