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2 Library Reference
AVR Libc Library Reference
2 <stdio.h>: Standard IO facilities
2.2 Functions
2.2.7 int vprintf
int vprintf(const char *__fmt, va_list __ap)

AVRLibc

AVR Libc
1 User Manual
2 Library Reference
AVR Libc Library Reference
- 2 <alloca.h>: Allocate space in the stack
- 2 <assert.h>: Diagnostics
- 2 <avr/boot.h>: Bootloader Support Utilities
- 2 <avr/cpufunc.h>: Special AVR CPU functions
- 2 <avr/eeprom.h>: EEPROM handling
- 2 <avr/fuse.h>: Fuse Support
- 2 <avr/interrupt.h>: Interrupts
- 2 <avr/io.h>: AVR device-specific IO definitions
- 2 <avr/lock.h>: Lockbit Support
- 2 <avr/pgmspace.h>: Program Space Utilities
- 2 <avr/power.h>: Power Reduction Management
- 2 <avr/sfr_defs.h>: Special function registers
- 2 <avr/signature.h>: Signature Support
- 2 <avr/sleep.h>: Power Management and Sleep Modes
- 2 <avr/version.h>: avr-libc version macros
- 2 <avr/wdt.h>: Watchdog timer handling
- 2 <compat/deprecated.h>: Deprecated items
- 2 <compat/ina90.h>: Compatibility with IAR EWB 3.x
- 2 <ctype.h>: Character Operations
- 2 <errno.h>: System Errors
- 2 <inttypes.h>: Integer Type conversions
- 2 <math.h>: Mathematics
- 2 <setjmp.h>: Non-local goto
- 2 <stdint.h>: Standard Integer Types
- 2 <stdio.h>: Standard IO facilities
  - 2.1 Typedefs
  - 2.2 Functions
    - 2.2.1 int fclose
      int fclose(FILE *__stream)
    - 2.2.2 int vfprintf
      int vfprintf(FILE *__stream, const char *__fmt, va_list __ap)
    - 2.2.3 int vfprintf_P
      int vfprintf_P(FILE *__stream, const char *__fmt, va_list __ap)
    - 2.2.4 int fputc
      int fputc(int __c, FILE *__stream)
    - 2.2.5 int printf
      int printf(const char *__fmt,...)
    - 2.2.6 int printf_P
      int printf_P(const char *__fmt,...)
    - 2.2.7 int vprintf
      int vprintf(const char *__fmt, va_list __ap)
    - 2.2.8 int sprintf
      int sprintf(char *__s, const char *__fmt,...)
    - 2.2.9 int sprintf_P
      int sprintf_P(char *__s, const char *__fmt,...)
    - 2.2.10 int snprintf
      int snprintf(char *__s, size_t __n, const char *__fmt,...)
    - 2.2.11 int snprintf_P
      int snprintf_P(char *__s, size_t __n, const char *__fmt,...)
    - 2.2.12 int vsprintf
      int vsprintf(char *__s, const char *__fmt, va_list ap)
    - 2.2.13 int vsprintf_P
      int vsprintf_P(char *__s, const char *__fmt, va_list ap)
    - 2.2.14 int vsnprintf
      int vsnprintf(char *__s, size_t __n, const char *__fmt, va_list ap)
    - 2.2.15 int vsnprintf_P
      int vsnprintf_P(char *__s, size_t __n, const char *__fmt, va_list ap)
    - 2.2.16 int fprintf
      int fprintf(FILE *__stream, const char *__fmt,...)
    - 2.2.17 int fprintf_P
      int fprintf_P(FILE *__stream, const char *__fmt,...)
    - 2.2.18 int fputs
      int fputs(const char *__str, FILE *__stream)
    - 2.2.19 int fputs_P
      int fputs_P(const char *__str, FILE *__stream)
    - 2.2.20 int puts
      int puts(const char *__str)
    - 2.2.21 int puts_P
      int puts_P(const char *__str)
    - 2.2.22 size_t fwrite
      size_t fwrite(const void *__ptr, size_t __size, size_t __nmemb, FILE *__stream)
    - 2.2.23 int fgetc
      int fgetc(FILE *__stream)
    - 2.2.24 int ungetc
      int ungetc(int __c, FILE *__stream)
    - 2.2.25 char* fgets
      char* fgets(char *__str, int __size, FILE *__stream)
    - 2.2.26 char* gets
      char* gets(char *__str)
    - 2.2.27 size_t fread
      size_t fread(void *__ptr, size_t __size, size_t __nmemb, FILE *__stream)
    - 2.2.28 void clearerr
      void clearerr(FILE *__stream)
    - 2.2.29 int feof
      int feof(FILE *__stream)
    - 2.2.30 int ferror
      int ferror(FILE *__stream)
    - 2.2.31 int vfscanf
      int vfscanf(FILE *__stream, const char *__fmt, va_list __ap)
    - 2.2.32 int vfscanf_P
      int vfscanf_P(FILE *__stream, const char *__fmt, va_list __ap)
    - 2.2.33 int fscanf
      int fscanf(FILE *__stream, const char *__fmt,...)
    - 2.2.34 int fscanf_P
      int fscanf_P(FILE *__stream, const char *__fmt,...)
    - 2.2.35 int scanf
      int scanf(const char *__fmt,...)
    - 2.2.36 int scanf_P
      int scanf_P(const char *__fmt,...)
    - 2.2.37 int vscanf
      int vscanf(const char *__fmt, va_list __ap)
    - 2.2.38 int sscanf
      int sscanf(const char *__buf, const char *__fmt,...)
    - 2.2.39 int sscanf_P
      int sscanf_P(const char *__buf, const char *__fmt,...)
    - 2.2.40 int fflush
      int fflush(FILE *stream)
    - 2.2.41 FILE* fdevopen
      FILE* fdevopen(int(*put)(char, FILE *), int(*get)(FILE *))
  - 2.3 Defines
- 2 <stdlib.h>: General utilities
- 2 <string.h>: Strings
- 2 <time.h>: Time
- 2 <util/atomic.h> Atomically and Non-Atomically Executed Code Blocks
- 2 <util/crc16.h>: CRC Computations
- 2 <util/delay.h>: Convenience functions for busy-wait delay loops
- 2 <util/delay_basic.h>: Basic busy-wait delay loops
- 2 <util/parity.h>: Parity bit generation
- 2 <util/setbaud.h>: Helper macros for baud rate calculations
- 2 <util/twi.h>: TWI bit mask definitions
- 2.1 Structures
3 Example Projects
4 Files

2.2.7 int vprintf

int vprintf(const char *__fmt, va_list __ap)

The function vprintf performs formatted output to stream stdout, taking a variable argument list as in vfprintf().

See vfprintf() for details.