| err.3 (b4183771fd8ab7a5946fd38df04c1e24b1268bea) | err.3 (07a9238fc1f7a8d9809a2788ca51895bb47dad42) |
|---|---|
| 1.\" Copyright (c) 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 83 unchanged lines hidden (view full) --- 92family of functions display a formatted error message on the standard 93error output, or on another file specified using the 94.Fn err_set_file 95function. 96In all cases, the last component of the program name, a colon character, 97and a space are output. 98If the 99.Fa fmt | 1.\" Copyright (c) 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 83 unchanged lines hidden (view full) --- 92family of functions display a formatted error message on the standard 93error output, or on another file specified using the 94.Fn err_set_file 95function. 96In all cases, the last component of the program name, a colon character, 97and a space are output. 98If the 99.Fa fmt |
| 100argument is not NULL, the formatted error message is output. | 100argument is not NULL, the 101.Xr printf 3 102-like formatted error message is output. |
| 101The output is terminated by a newline character. 102.Pp 103The 104.Fn err , 105.Fn errc , 106.Fn verr , 107.Fn verrc , 108.Fn warn , --- 91 unchanged lines hidden (view full) --- 200.Va errno : 201.Bd -literal -offset indent 202error = my_function(); /* returns a value from <errno.h> */ 203if (error != 0) 204 warnc(error, "my_function"); 205.Ed 206.Sh SEE ALSO 207.Xr exit 3 , | 103The output is terminated by a newline character. 104.Pp 105The 106.Fn err , 107.Fn errc , 108.Fn verr , 109.Fn verrc , 110.Fn warn , --- 91 unchanged lines hidden (view full) --- 202.Va errno : 203.Bd -literal -offset indent 204error = my_function(); /* returns a value from <errno.h> */ 205if (error != 0) 206 warnc(error, "my_function"); 207.Ed 208.Sh SEE ALSO 209.Xr exit 3 , |
| 210.Xr printf 3 , |
|
| 208.Xr strerror 3 209.Sh HISTORY 210The 211.Fn err 212and 213.Fn warn 214functions first appeared in 215.Bx 4.4 . --- 12 unchanged lines hidden --- | 211.Xr strerror 3 212.Sh HISTORY 213The 214.Fn err 215and 216.Fn warn 217functions first appeared in 218.Bx 4.4 . --- 12 unchanged lines hidden --- |