man sc_base64_decode (Fonctions bibliothèques) - Decode a base64 stream
NAME
sc_base64_decode - Decode a base64 stream
SYNOPSIS
#include <opensc.h>
int sc_base64_decode(const char *inbuf, unsigned char *outbuf, size_t outlen);
DESCRIPTION
This function decodes the base64 stream in inbuf, which is NULL-terminated, to the buffer pointed to by outbuf (which is outlen bytes long);
RETURN VALUE
Returns 0 if successful, or a negative value in case of error.