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atoi

Usage

   #include <stdlib.h>
   int atoi(const char *nptr);

   ANSI

Description

   This converts the string pointed to by nptr into an integer. The string
   may have leading spaces, tabs, and + or -. Conversion stops on the first
   unrecognized character. If there are no recognized characters, the result
   is 0.

Example 


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

   int main()
   {
       printf("atoi function = %d\n",atoi("153"));
       return EXIT_SUCCESS;
   }

Return Value

   Returns the integer value derived from converting the string. Zero is
   returned if the input string does not have any recognizable characters.

See Also

   atof, atol, ecvt, fcvt, strtol, strtod, scanf