integers to char *

This is a discussion on integers to char * within the C++ Programming forums, part of the General Programming Boards category; How do I convert an integer or float to a char *string....

  1. #1
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    Question integers to char *

    How do I convert an integer or float to a char *string.

  2. #2
    Registered User
    Join Date
    Sep 2001
    Posts
    156
    Here's an example i took from MSDN:

    #include <stdlib.h>
    #include <stdio.h>

    void main( void )
    {
    char *s; double x; int i; long l;

    s = " -2309.12E-15"; /* Test of atof */
    x = atof( s );
    printf( "atof test: ASCII string: %s\tfloat: %e\n", s, x );

    s = "7.8912654773d210"; /* Test of atof */
    x = atof( s );
    printf( "atof test: ASCII string: %s\tfloat: %e\n", s, x );

    s = " -9885 pigs"; /* Test of atoi */
    i = atoi( s );
    printf( "atoi test: ASCII string: %s\t\tinteger: %d\n", s, i );

    s = "98854 dollars"; /* Test of atol */
    l = atol( s );
    printf( "atol test: ASCII string: %s\t\tlong: %ld\n", s, l );
    }

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