I found a good resource here, giving high level overview of differences between the two: When you want to do input or output to a file, you have a choice of two basic mechanisms for representing the connection between your program and the file: file descriptors and streams. File d...
(i=0; i = drand48()-0.5 + sin(0.1*i*M_PI)*0.1; indata[0] = 1.0; // dump test input data if ((fp = fopen(infilename,"w")) ==NULL) { fprintf(stderr,"Cannot open test data file %sn",infilename); return 1; } fwrite(indata,sizeof(float),DSIZE,fp);...