projects / unix-history / blame
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| af9bf3ab KB |
1 | .\" Copyright (c) 1989 The Regents of the University of California. |
| 2 | .\" All rights reserved. | |
| 3 | .\" | |
| 91cff1e1 | 4 | .\" %sccs.include.redist.man% |
| af9bf3ab | 5 | .\" |
| 91cff1e1 | 6 | .\" @(#)time.3 5.2 (Berkeley) %G% |
| af9bf3ab KB |
7 | .\" |
| 8 | .TH TIME 3 "" | |
| 9 | .UC 4 | |
| 10 | .SH NAME | |
| 11 | time \- get time of day | |
| 12 | .SH SYNOPSIS | |
| 13 | .nf | |
| 14 | .B #include <sys/types.h> | |
| 15 | ||
| 16 | .B time_t time(tloc) | |
| 17 | .B time_t *tloc; | |
| 18 | .fi | |
| 19 | .SH DESCRIPTION | |
| 20 | .PP | |
| 21 | .I Time | |
| 22 | returns the value of time in seconds since 0 hours, 0 minutes, | |
| 23 | 0 seconds, January 1, 1970, Coordinated Universal Time. | |
| 24 | .PP | |
| 25 | The argument | |
| 26 | .I tloc | |
| 27 | points to an area where the return value is also stored. | |
| 28 | If | |
| 29 | .I tloc | |
| 30 | is a NULL pointer, no value is stored. | |
| 31 | .PP | |
| 32 | Upon successful completion, | |
| 33 | .IR time () | |
| 34 | returns the value of time. | |
| 35 | Otherwise a value of ((\fItime_t\fR) -1) | |
| 36 | is returned and | |
| 37 | .I errno | |
| 38 | is set to indicate the error. | |
| 39 | .SH "ERRORS | |
| 40 | The following error codes may be set in | |
| 41 | .IR errno : | |
| 42 | .TP 15 | |
| 43 | [EFAULT] | |
| 44 | An argument address referenced invalid memory. | |
| 45 | .SH "SEE ALSO" | |
| 46 | gettimeofday(2), ctime(3) |