Convert string to double-precision floating-point value


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

int main(void)
{
  char *end, *start = "Value: 111.1111111";

  end = start;
  while( *start ) {
    printf("%f, ", strtod(start, &end));
    printf("Remainder: %s\n" ,end);
    start = end;
    
    /* move past the non-digits */
    
    while(!isdigit(*start) && *start) 
        start++;
  }

  return 0;
}

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Convert string to double-precision floating-point value : String Convert « String « C / ANSI-C

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