File IO and command line input. CSE 2451 Matt Boggus. File functions. Open/Close files fopen () – open a stream for a file fclose () – closes a stream One character at a time : fgetc () – similar to getchar () fputc () – similar to putchar () One line at a time: fgets ()
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See io2.c and io3.c
The shell will initialize the rm process
with argc = 2 and argv = ["rm", "file", NULL]