C Programming Tutorial
In the C Programming Language, the sprintf function writes formatted output to an object pointed to by s.
Syntax
The syntax for the sprintf function in the C Language is:
int sprintf(char *s, const char *format, ...);
Parameters or Arguments
s
An array where the output will be written.
format
Describes the output as well as provides a placeholder to insert the formatted string. Here are a few examples:
| Format | Explanation | Example |
|---|---|---|
| %d | Display an integer | 10 |
| %f | Displays a floating-point number in fixed decimal format | 10.500000 |
| %.1f | Displays a floating-point number with 1 digit after the decimal | 10.5 |
| %e | Display a floating-point number in exponential (scientific notation) | 1.050000e+01 |
| %g | Display a floating-point number in either fixed decimal or exponential format depending on the size of the number (will not display trailing zeros) | 10.5 |
Returns
The sprintf function returns the number of characters stored in the array (not including the null character).
Required Header
In the C Language, the required header for the sprintf function is:
#include <stdio.h>
Applies To
In the C Language, the sprintf function can be used in the following versions:
- ANSI/ISO 9899-1990
