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    int vsprintf(char *str, const char *format, va_list arg);

generate a string from a format string. For this purpose, the buffer that is passed as first argument, the format string is copied and replaces the substitution symbol with the given parameters.

C Sourcecode Example

 * vsprintf example code
#include <stdio.h> /* including standard library */
//#include <windows.h> /* uncomment this for Windows */
#include <stdarg.h>
int myprintf( char const * format, ... )
  va_list args;
  int n;
  char buffer[200];
  va_start( args, format );
  vsprintf( buffer, format, args );
  va_end( args );
  return printf("vsprintf example : %s", buffer);
int main (void)
  char string[] ="Hello";
   myprintf( " %s World\n", string);
   return 0;


  output:  ./vsprintf 
  vsprintf example : Hello World

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c/stdio.h/vsprintf.txt · Last modified: 2024/02/16 01:05 (external edit)

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