27 lines
456 B
C
27 lines
456 B
C
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#include <sys/stat.h>
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#include <stdio.h>
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#include <sys/types.h>
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int main(void) {
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struct stat buf;
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if(stat("/dev/sda", &buf) < 0){
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printf("stat error for /dev/sda\n");
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return -1;
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}
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printf("dev = %ld\nrdev = %ld\n", buf.st_dev, buf.st_rdev);
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if(S_ISCHR(buf.st_mode)){
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printf("character device\n");
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}
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else if (S_ISBLK(buf.st_mode)){
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printf("block device\n");
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}
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else {
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printf("unkonwn device\n");
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}
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return 0;
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}
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