projects / unix-history / blame
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1 | .\" Copyright (c) 1990 The Regents of the University of California. |
| 2 | .\" All rights reserved. | |
| 3 | .\" | |
| 4 | .\" %sccs.include.redist.man% | |
| 5 | .\" | |
| 6 | .\" @(#)atoi.3 5.1 (Berkeley) %G% | |
| 7 | .\" | |
| 8 | .TH ATOI 3 "" | |
| 9 | .UC 7 | |
| 10 | .SH NAME | |
| 11 | atoi \- convert ASCII string to integer | |
| 12 | .SH SYNOPSIS | |
| 13 | .nf | |
| 14 | .ft B | |
| 15 | #include <stdlib.h> | |
| 16 | ||
| 17 | int | |
| 18 | atoi(const char *nptr); | |
| 19 | .ft R | |
| 20 | .fi | |
| 21 | .SH DESCRIPTION | |
| 22 | The | |
| 23 | .I atoi | |
| 24 | function converts the initial portion of the string pointed to by | |
| 25 | .I nptr | |
| 26 | to | |
| 27 | .I integer | |
| 28 | representation. | |
| 29 | .PP | |
| 30 | It is equivalent to: | |
| 31 | .sp | |
| 32 | .RS | |
| 33 | (int)strtol(nptr, (char **)NULL, 10); | |
| 34 | .RE | |
| 35 | .SH SEE ALSO | |
| 36 | atof(3), atol(3), strtod(3), strtol(3), strtoul(3) | |
| 37 | .SH STANDARDS | |
| 38 | .B Atoi | |
| 39 | conforms to ANSI X3.159-1989 (``ANSI C''). |