| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | iswblank | 3 | 538 |
| suse | iswblank | 3 | 495 |
| centos | iswblank | 3 | 482 |
| freebsd | iswblank | 3 | 480 |
| debian | iswblank | 3 | 452 |
| posix | iswblank | 3p | 444 |
| redhat | iswblank | 3 | 435 |
| bsd | iswblank | 3 | 424 |
| xfree86 | iswblank | 3 | 423 |
| x11r4 | iswblank | 3 | 421 |
| opendarwin | iswblank | 3 | 419 |
| v7 | iswblank | 3 | 413 |
| php | iswblank | 3 | 411 |
| minix | iswblank | 3 | 408 |
| plan9 | iswblank | 3 | 391 |
| suse | iswblank | 3p | 371 |
| freebsd | iswblank_l | 3 | 362 |
| mojave | iswblank | 3 | 356 |
| mojave | iswblank_l | 3 | 348 |
| opensolaris | iswblank | 3c | 304 |
| centos | iswblank | 3p | 294 |
| hpux | iswblank | 3c | 258 |
| sunos | iswblank | 3c | 248 |
| osx | iswblank | 3 | 228 |
| osx | iswblank_l | 3 | 218 |
| netbsd | iswblank | 3 | 182 |