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1. Getting Started 1.1. Compiling with GCC 1.1.1. Create the source code files (main.c) C source file—main.c #include <stdio.h> #include “reciprocal.hpp” int main (int argc, char **argv) { int i; i = atoi (argv[1]); printf (“The reciprocal of %d is %g\n”, i, reciprocal (i)); return 0; } (rec.. 阅读全文
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2. Writing Good GNU/Linux Software 2.1. Interaction With the Execution Environment 2.1.1. Command Line When a program is invoked from the shell, the argument list contains the entire both the name of the program and any command-line arguments provided. % ls -s / The argument list has three element.. 阅读全文