Answers for "string to integer c"

fortran int to string

integer(kind=4) :: aNumber
        character(len=64) :: aString

        write(aString,*) aNumber

javascript string to integer

var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256

string to int c

atoi(str) is unsafe

This is the prefered method:
(int)strtol(str, (char **)NULL, 10)

convert string to int c

const char *number = "10";
char *end;
long int value = strtol(number, &end, 10); 
if (end == number || *end != '\0' || errno == ERANGE)
    printf("Not a number");
else
    printf("Value: %ld", value);