| OS | Man Page | Section | Hits |
|---|---|---|---|
| sunos | isnan | 3m | 220 |
| linux | isnan | 3 | 153 |
| sunos | isnand | 3c | 142 |
| freebsd | isnan | 3 | 142 |
| netbsd | isnan | 3 | 138 |
| opensolaris | isnan | 3m | 136 |
| osx | isnand | 3c | 133 |
| opensolaris | isnand | 3c | 130 |
| linux | isnanf | 3 | 127 |
| hpux | isnan | 3m | 127 |
| mojave | isnand | 3c | 122 |
| posix | isnan | 3p | 122 |
| opendarwin | isnan | 3 | 119 |
| redhat | isnan | 3 | 111 |
| mojave | isnan | 3 | 105 |
| opendarwin | isnand | 3c | 105 |
| linux | isnanl | 3 | 102 |
| debian | isnan | 3 | 96 |
| xfree86 | isnan | 3 | 90 |
| suse | isnan | 3 | 87 |
| v7 | isnan | 3 | 86 |
| sunos | isnanf | 3c | 82 |
| centos | isnan | 3 | 82 |
| php | isnan | 3 | 80 |
| x11r4 | isnan | 3 | 79 |
| opensolaris | isnanf | 3c | 79 |
| centos | isnan | 3p | 79 |
| osf1 | isnan | 3 | 77 |
| suse | isnan | 3p | 77 |
| centos | isnanf | 3 | 73 |
| osx | isnan | 3 | 73 |
| ultrix | isnan | 3 | 72 |
| centos | dlaisnan | 3 | 71 |
| plan9 | isnan | 3 | 68 |
| centos | isnanl | 3 | 64 |
| netbsd | isnanf | 3 | 64 |
| ultrix | isnand | 3m | 62 |
| debian | isnanl | 3 | 61 |
| centos | disnan | 3 | 56 |
| centos | slaisnan | 3 | 53 |
| centos | sisnan | 3 | 52 |
| debian | isnanf | 3 | 51 |
| ultrix | isnanf | 3m | 49 |
| debian | sisnan | 3 | 48 |
| suse | isnanf | 3 | 40 |
| debian | dlaisnan | 3 | 38 |
| centos | dlaisnan.f | 3 | 38 |
| debian | slaisnan | 3 | 35 |
| centos | slaisnan.f | 3 | 35 |
| debian | disnan | 3 | 34 |