27 lines
654 B
C
27 lines
654 B
C
#include <stdio.h>
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#include <stdlib.h>
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int main (int argc , char** argv ){
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// Open file for reading
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// We are opening a device file for reading ,
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// which is like reading from a file but the file is not necessarily an actual file on disk.
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// instead it could be some sort of external device or a simple piece of software returning bytes to us
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FILE* fp = fopen("/dev/urandom", "r");
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if( !fp){
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perror("File opening failed!");
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return EXIT_FAILURE;
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}
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while ( 1 ){
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char random = fgetc(fp);
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if ( random == 42 ){
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break;
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}
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printf("Read 0x%x %u %d from /dev/urandom\n", random, random , random);
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// getchar();
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}
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fclose(fp);
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}
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