gstr
#define Estrcpy(x,y) _asn1_str_cpy(x,ASN1_MAX_ERROR_DESCRIPTION_SIZE,y)
#define Estrcat(x,y) _asn1_str_cat(x,ASN1_MAX_ERROR_DESCRIPTION_SIZE,y)
void safe_memset (void *data, int c);
void *data
int c