1 /* 2 cdecode.h - c header for a base64 decoding algorithm 3 4 This is part of the libb64 project, and has been placed in the public domain. 5 For details, see http://sourceforge.net/projects/libb64 6 */ 7 8 #ifndef BASE64_CDECODE_H 9 #define BASE64_CDECODE_H 10 11 typedef enum 12 { 13 step_a, step_b, step_c, step_d 14 } base64_decodestep; 15 16 typedef struct 17 { 18 base64_decodestep step; 19 char plainchar; 20 } base64_decodestate; 21 22 void base64_init_decodestate(base64_decodestate* state_in); 23 24 int base64_decode_value(char value_in); 25 26 int base64_decode_block(const char* code_in, const int length_in, char* plaintext_out, base64_decodestate* state_in); 27 28 #endif /* BASE64_CDECODE_H */ 29