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Standard library header <stdio.h>

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C
Standard Library headers

이 헤더는 input/output 라이브러리의 일부로, 일반적인 파일 작업 지원을 제공하고 narrow 문자로 동작하는 I/O 함수들을 제공합니다.

이 섹션은 불완전합니다
이유: 7.23 Input/output <stdio.h>; c/io 의 일부를 복사/공유

시놉시스 

#define __STDC_VERSION_STDIO_H__ 202311L
typedef /* 설명 참조 */ FILE;
typedef /* 설명 참조 */ size_t;
typedef /* 설명 참조 */ FILE;
typedef /* 설명 참조 */ fpos_t;
#define NULL         /* 설명 참조 */
#define _IOFBF       /* 설명 참조 */
#define _IOLBF       /* 설명 참조 */
#define _IONBF       /* 설명 참조 */
#define BUFSIZ       /* 설명 참조 */
#define EOF          /* 설명 참조 */
#define FOPEN_MAX    /* 설명 참조 */
#define FILENAME_MAX /* 설명 참조 */
#define L_tmpnam     /* 설명 참조 */
#define SEEK_CUR     /* 설명 참조 */
#define SEEK_END     /* 설명 참조 */
#define SEEK_SET     /* 설명 참조 */
#define TMP_MAX      /* 설명 참조 */
#define stdin        /* 설명 참조 */
#define stdout       /* 설명 참조 */
#define stderr       /* 설명 참조 */
#define _PRINTF_NAN_LEN_MAX /* 설명 참조 */
int remove(const char* filename);
int rename(const char* old, const char* new);
FILE* tmpfile(void);
char* tmpnam(char* s);
int fclose(FILE* stream);
int fflush(FILE* stream);
FILE* fopen(const char* restrict filename, const char* restrict mode);
FILE* freopen(const char* restrict filename, const char* restrict mode,
FILE* restrict stream);
void setbuf(FILE* restrict stream, char* restrict buf);
int setvbuf(FILE* restrict stream, char* restrict buf, int mode, size_t size);
int printf(const char* restrict format, ...);
int scanf(const char* restrict format, ...);
int snprintf(char* restrict s, size_t n, const char* restrict format, ...);
int sprintf(char* restrict s, const char* restrict format, ...);
int sscanf(const char* restrict s, const char* restrict format, ...);
int vfprintf(FILE* restrict stream, const char* restrict format, va_list arg);
int vfscanf(FILE* restrict stream, const char* restrict format, va_list arg);
int vprintf(const char* restrict format, va_list arg);
int vscanf(const char* restrict format, va_list arg);
int vsnprintf(char* restrict s, size_t n, const char* restrict format, va_list arg);
int vsprintf(char* restrict s, const char* restrict format, va_list arg);
int vsscanf(const char* restrict s, const char* restrict format, va_list arg);
int fgetc(FILE* stream);
char* fgets(char* restrict s, int n, FILE* restrict stream);
int fputc(int c, FILE* stream);
int fputs(const char* restrict s, FILE* restrict stream);
int getc(FILE* stream);
int getchar(void);
int putc(int c, FILE* stream);
int putchar(int c);
int puts(const char* s);
int ungetc(int c, FILE* stream);
size_t fread(void* restrict ptr, size_t size, size_t nmemb,
FILE* restrict stream);
size_t fwrite(const void* restrict ptr, size_t size, size_t nmemb,
FILE* restrict stream);
int fgetpos(FILE* restrict stream, fpos_t* restrict pos);
int fseek(FILE* stream, long int offset, int whence);
int fsetpos(FILE* stream, const fpos_t* pos);
long int ftell(FILE* stream);
void rewind(FILE* stream);
void clearerr(FILE* stream);
int feof(FILE* stream);
int ferror(FILE* stream);
void perror(const char* s);
int fprintf(FILE* restrict stream, const char* restrict format, ...);
int fscanf(FILE* restrict stream, const char* restrict format, ...);

구현이 __STDC_LIB_EXT1__ 를 정의하고, 추가로 사용자 코드가 <stdio.h> 를 포함하기 전에 __STDC_WANT_LIB_EXT1__ 를 정의한 경우에만: 

#if defined(__STDC_WANT_LIB_EXT1__)
#define L_tmpnam_s /* 설명 참조 */
#define TMP_MAX_S  /* 설명 참조 */
typedef /* 설명 참조 */ errno_t;
typedef /* 설명 참조 */ rsize_t;
errno_t tmpfile_s(FILE* restrict* restrict streamptr);
errno_t tmpnam_s(char* s, rsize_t maxsize);
errno_t fopen_s(FILE* restrict* restrict streamptr,
const char* restrict filename, const char* restrict mode);
errno_t freopen_s(FILE* restrict* restrict newstreamptr,
const char* restrict filename, const char* restrict mode,
FILE* restrict stream);
int fprintf_s(FILE* restrict stream, const char* restrict format, ...);
int fscanf_s(FILE* restrict stream, const char* restrict format, ...);
int printf_s(const char* restrict format, ...);
int scanf_s(const char* restrict format, ...);
int snprintf_s(char* restrict s, rsize_t n, const char* restrict format, ...);
int sprintf_s(char* restrict s, rsize_t n, const char* restrict format, ...);
int sscanf_s(const char* restrict s, const char* restrict format, ...);
int vfprintf_s(FILE* restrict stream, const char* restrict format, va_list arg);
int vfscanf_s(FILE* restrict stream, const char* restrict format, va_list arg);
int vprintf_s(const char* restrict format, va_list arg);
int vscanf_s(const char* restrict format, va_list arg);
int vsnprintf_s(char* restrict s, rsize_t n, const char* restrict format, va_list arg);
int vsprintf_s(char* restrict s, rsize_t n, const char* restrict format, va_list arg);
int vsscanf_s(const char* restrict s, const char* restrict format, va_list arg);
char* gets_s(char* s, rsize_t n);
#endif