code. compile. run. debug. share.
#include<stdlib.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<fcntl.h>
#include<unistd.h>
#include<string.h>
struct student{
char name[25];
int no;
char gen;
};
int main() {
int fd, ret, i;
struct student s[3] = {{"satheesh",1,'m'},{"kumar",2,'m'},{"nelavalli",3,'m'}};
struct student rs[3];
fd = open("file.txt",O_RDWR|O_CREAT|O_TRUNC,0666);
if(fd < 0) {
perror("open");
return -1;
}
ret = write(fd,s, sizeof(s));
if(ret < 0) {
perror("write");
return -1;
}
lseek(fd, 0, SEEK_SET);
ret = read(fd, rs, sizeof(rs));
if(ret < 0) {
perror("read");
return -1;
}
for(i=0; i<3;i++) {
printf("%s %d %c \n", rs[i].name, rs[i].no,rs[i].gen);
}
close(fd);
return 0;
}
satheesh ��� m[��kumar m nelavalli N=� m@
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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