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AVR Libc AVRLibc

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2 Library Reference
AVR Libc Library Reference
2 <stdlib.h>: General utilities
2.1 Non-standard (i.e. non-ISO C) functions.
2.1.5 void srandom
void srandom(unsigned long __seed)

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 <stdlib.h>: General utilities
  - 2.1 Non-standard (i.e. non-ISO C) functions.
    - 2.1.1 char* ltoa
      char* ltoa(long val, char *s, int radix)
    - 2.1.2 char* utoa
      char* utoa(unsigned int val, char *s, int radix)
    - 2.1.3 char* ultoa
      char* ultoa(unsigned long val, char *s, int radix)
    - 2.1.4 long random
      long random(void)
    - 2.1.5 void srandom
      void srandom(unsigned long __seed)
    - 2.1.6 long random_r
      long random_r(unsigned long *__ctx)
    - 2.1.7 char* itoa
      char* itoa(int val, char *s, int radix)
    - 2.1.8 RANDOM_MAX
  - 2.2 Conversion functions for double arguments.
  - 2.3 Typedefs
  - 2.4 Variables
  - 2.5 Functions
  - 2.6 Defines
- 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

2.1.5 void srandom

void srandom(unsigned long __seed)

Pseudo-random number generator seeding; see random().

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