Question

How to convert float value to string in C

Answer 1

#include <stdio.h> 
#include <stdlib.h> 
 
int main(int argc, char **argv)
{ 
    float f = 123.4567; 
    char s[8]; 
  
    gcvt(f, 7, s); 
  
    printf("%s\n", s); 
     
    return 0; 
}   
 
 
/*
run:
 
123.4567
 
*/

 

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Answer 2

#include <stdio.h> 

int main(int argc, char **argv)
{ 
	char s[10]; 
    float f = 123.4567; 
	
    sprintf(s, "%f", f); 
    printf("%s\n", s); 
     
    return 0; 
}   
 
 
/*
run:
 
123.456703
 
*/

 

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