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string.h File Reference

string functions. More...

Functions

• void memcpy (void* dest,void* src,size_t size)

  copy memory block from src to dest. More...

• void* memset (void* s,int c,size_t n)

  fill memory block with a byte value. More...

• void mem_clear (void* start,void* end)

  set memory block [start,end[ to zero. More...

• char* strcpy (char *dest,const char *src)

  Copy null-terminated string from src to dest. More...

• int strlen (const char *s)

  Determine string length. More...

• int strcmp (const char *s1,const char *s2)

  Compare two strings. More...

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Detailed Description

string functions.

Author(s):

Markus L. Noga <noga@inrialpes.fr>

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Function Documentation

void memcpy (void * dest, void * src, size_t size)

copy memory block from src to dest.

Parameters:

dest - destination

src - source

size - number of bytes to copy

Warning:

behaviour is undefined in case source and destination blocks overlap.

void * memset (void * s, int c, size_t n)

fill memory block with a byte value.

Parameters:

s - start

c - byte fill value

n - number of bytes to fill

void mem_clear (void * start, void * end)

set memory block [start,end[ to zero.

Parameters:

start - start

end - end (non-inclusive).

Bugs and limitations:

FIXME: seems buggy. memset() usage advised.

char * strcpy (char * dest, const char * src)

Copy null-terminated string from src to dest.

Parameters:

src - source

dest - destination

Returns:

pointer to dest

int strlen (const char * s)

Determine string length.

Parameters:

s - string

s2 - second string

Returns:

string length

int strcmp (const char * s1, const char * s2)

Compare two strings.

Parameters:

s1 - first string

s2 - second string

Returns:

<0: s1<s2, ==0: s1==s2, >0: s1>s2

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-0.1.7 is released under Mozilla Public License. Original code © 1998-1999 by Markus L. Noga.