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Top Forums UNIX for Dummies Questions & Answers How to get the substring from the string Post 302076694 by Anshu on Thursday 15th of June 2006 07:48:02 AM
Old 06-15-2006
I want to retain a string except last two characters i.e. if string is "abcdef" , i want "abcd".
 

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MEMMEM(3)						   BSD Library Functions Manual 						 MEMMEM(3)

NAME
memmem -- locate substring in byte string LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <string.h> void * memmem(const void *block, size_t blen, const void *pat, size_t plen); DESCRIPTION
The memmem() function locates the first occurrence of the binary string pat of size plen bytes in the byte string block of size blen bytes. RETURN VALUES
The memmem() function returns a pointer to the substring located, or NULL if no such substring exists within block. If plen is zero, block is returned, i.e. a zero length pat is deemed to match the start of the string, as with strstr(3). SEE ALSO
bm(3), memchr(3), strchr(3), strstr(3) STANDARDS
The memmem() function is not currently standardized. However, it is meant to be API compatible with functions in FreeBSD and Linux. HISTORY
memmem() first appeared in the Free Software Foundation's glibc library. BSD
March 12, 2005 BSD
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