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c program the catches the ctrl-c(SIGINT) Signal for the
first time and prints a output rather and exit on pressing
Ctrl-C again
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Answer / rakesh
#include <stdio.h>
#include <signal.h>
void sigproc(void);
main()
{
signal(SIGINT, sigproc);
printf("This program catches ctrl-c(SIGINT) signal for
first time and exit on pressing ctrl-c again\n");
for(;;);
/* infinite loop */
}
void sigproc()
{
signal(SIGINT, sigproc);
printf("you have pressed ctrl-c \n");
(void) signal(SIGINT,SIG_DFL);
}
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