| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | toupper_l | 3 | 148 |
| osx | toupper_l | 3 | 118 |
| opendarwin | toupper_l | 3 | 117 |
| xfree86 | toupper_l | 3 | 108 |
| mojave | toupper_l | 3 | 107 |
| v7 | toupper_l | 3 | 105 |
| bsd | toupper_l | 3 | 101 |
| freebsd | toupper_l | 3 | 91 |
| x11r4 | toupper_l | 3 | 89 |
| minix | toupper_l | 3 | 85 |
| php | toupper_l | 3 | 82 |
| plan9 | toupper_l | 3 | 73 |