編譯器：Dev-C++

long to char*

sprintf(char*, "%lu", long);

char* to long

  • sscanf(char*, "%ld", &long);
  • #include <stdlib.h>

long = atol( char* );

 

double to char*

sprintf(char*, "%f", double);

char* to double

#include <stdlib.h>

double = atof( char* );

 

char* to int

#include <stdlib.h>

int = atoi( char* );