| OS | Man Page | Section | Hits |
|---|---|---|---|
| plan9 | perror | 2 | 1,043 |
| debian | error | 3 | 1,025 |
| php | libxml_use_internal_errors | 3 | 1,018 |
| opensolaris | error | 1t | 1,013 |
| php | json_last_error | 3 | 1,002 |
| linux | error | 8postfix | 997 |
| debian | apt-mirror | 1 | 990 |
| bsd | perror | 3f | 989 |
| hpux | slperror | 3n | 970 |
| linux | perror | 3 | 923 |
| linux | ferror | 3 | 820 |
| x11r4 | perror | 1 | 799 |
| linux | err_get_error | 3ssl | 778 |
| posix | strerror | 3p | 775 |
| redhat | perror | 3 | 730 |
| posix | perror | 3p | 719 |
| opendarwin | perror | 1 | 718 |
| mojave | strerror | 3 | 716 |
| freebsd | gmirror | 8 | 702 |
| linux | strerror | 3 | 701 |
| linux | aio_error | 3 | 693 |
| centos | error | 3 | 663 |
| hpux | perror | 3c | 662 |
| opensolaris | perror | 3c | 662 |
| osx | strerror | 3 | 661 |
| linux | ssl_get_error | 3ssl | 660 |
| sunos | perror | 3c | 650 |
| suse | strerror | 3 | 650 |
| opensolaris | aio_error | 3c | 649 |
| osx | ferror | 3 | 645 |
| linux | err_print_errors | 3ssl | 644 |
| centos | tifferror | 3tiff | 639 |
| php | mysql_error | 3 | 639 |
| centos | perror | 3 | 634 |
| linux | error | 3 | 630 |
| hpux | dlerror | 3c | 629 |
| debian | strerror | 3 | 628 |
| suse | tifferror | 3tiff | 626 |
| debian | perror | 3 | 626 |
| bsd | ferror | 3s | 625 |
| redhat | strerror | 3 | 625 |
| php | mysqli.connect_error | 3 | 624 |
| linux | x509_store_ctx_set_error | 3ssl | 622 |
| bsd | ssl_get_error | 3ssl | 618 |
| centos | strerror | 3 | 618 |
| redhat | ferror | 3 | 617 |
| opensolaris | strerror | 3c | 615 |
| freebsd | strerror | 3 | 615 |
| posix | ferror | 3p | 612 |
| minix | strerror | 3 | 610 |