Stdlib h C Tutorial

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#include 
#include 
int main()
{                                 
   const char *string = "-1234567abc"; 
   
   char *remainderPtr; 
   long x;             
   
   x = strtol( string, &remainderPtr, 0 );
   printf( "%s\"%s\"\n%s%ld\n%s\"%s\"\n%s%ld\n",
           "The original string is ", string,
           "The converted value is ", x,
           "The remainder of the original string is ", 
           remainderPtr,
           "The converted value plus 567 is ", x + 567 );
   return 0; 
}
The original string is "-1234567abc"
The converted value is -1234567
The remainder of the original string is "abc"
The converted value plus 567 is -1234000