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1. |
Below is the codeint main() { int fd1, fd2;struct stat buff1, buff2;fd1 = open( 1.txt , O_RDWR); fd2 = open( 2.txt , O_RDWR | O_APPEND);lseek(fd1, 10000, SEEK_SET);write(fd1, abcdefghij , 10);write(fd2, abcdefghij , 10); fstat(fd1, &buff1);fstat(fd2, &buff2);printf( %d %d , buff1.st_size, buff2.st_size);return 0;}Before running the program, the file 1.txt and 2.txt size is 20 each.What is the output? |
A. | 30 30 |
B. | 100020 20 |
C. | 100030 30 |
D. | 100010 30 |
Answer» E. | |