File :

/****************************************************************************
 * Includes.                                                                           
                                                 *
 ****************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>


/****************************************************************************
 * Parse the command-line arguments and store the requested configuration.      *
 ****************************************************************************/
static int ParseArgs(int argc, char *argv[])
{
        int             Option;

        while((Option=getopt(argc,argv,"h:lw:"))!=-1)
                switch(Option)
                  {
                  }
}


compilation :

cc -g -ansi -pedantic -Wall -W -Wundef -Wshadow -Wpointer-arith -Wbad-function-cast 
-Wcast-qual -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes 
-Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wnested-externs 
-Winline     -DNO_EXPOSE_COMPRESSION -I/usr/include/libart-2.0/libart_lgpl/ 
-I/usr/include/libart-2.0/ -I/usr/include/gdk-pixbuf-1.0 -I/usr/include/glib-1.2 
-I/usr/lib/glib/include -I/usr/X11R6/include -c -o main.o main.c 
main.c: In function `ParseArgs':
main.c:19: warning: implicit declaration of function `getopt'
main.c:23: warning: control reaches end of non-void function
main.c: At top level:
main.c:16: warning: `ParseArgs' defined but not used


Why did getopt disappear ?

-- 
Erwan


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