Hi, I need the user to enter coordinates x,y . The x needs to go in front of the number like so : x8.2 . My code works , but it accepts x8.2 just the same as 8.2x. This is not allowed to happen ie . it must reject the point if it sees the x at the end . Here is what I came up with :

I run that , it works for any number with x at the end , it says incorrect put at x at front , but if a correct number is putin, it will crash ? If Im not doing this correctly can you show me the right way ?Code:#include <stdio.h> int main(void) { FILE * output = stdout; FILE * input = stdin; char stringValue[8]; float value; fscanf(input, "%s", stringValue); // check last character if (stringValue[ strlen( stringValue ) - 1] == 'x') { fprintf(output,"You have entered incorrect value - put the x at the front !");// wrong value return 0; } else { fscanf(input, "%f", value); fprintf(output,"The program will continue"); } }

Thank you