ShinetasyZhou的专栏

functionatoiint atoi (const char * str);Convert string to integerParses the C-string str interpreting its content as an integral number, which is returned as a value of type int.

functionitoachar * itoa ( int value, char * str, int base );Convert integer to string (non-standard function)Converts an integer value to a null-terminated string using the specif

public member functionstd::stringstream::strstring str() const;void str (const string& s);Get/set contentThe first form (1) returns a string object with a copy of the current cont

int sprintf ( char * str, const char * format, ... );Write formatted data to stringComposes a string with the same text that would be printed if format was used on printf, but instead of being

functionmemsetvoid * memset ( void * ptr, int value, size_t num );Fill block of memorySets the first num bytes of the block of memory pointed by ptr to the specified value (interpr