/usr/include/b64/cencode.h is in libb64-dev 1.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | /*
cencode.h - c header for a base64 encoding algorithm
This is part of the libb64 project, and has been placed in the public domain.
For details, see http://sourceforge.net/projects/libb64
*/
#ifndef BASE64_CENCODE_H
#define BASE64_CENCODE_H
typedef enum
{
step_A, step_B, step_C
} base64_encodestep;
typedef struct
{
base64_encodestep step;
char result;
int stepcount;
} base64_encodestate;
void base64_init_encodestate(base64_encodestate* state_in);
char base64_encode_value(char value_in);
int base64_encode_block(const char* plaintext_in, int length_in, char* code_out, base64_encodestate* state_in);
int base64_encode_blockend(char* code_out, base64_encodestate* state_in);
#endif /* BASE64_CENCODE_H */
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