Language in C perguntas e respostas de entrevista
Question: How do I print the contents of environment variables?
Answer: . The following program shows how to achieve this:main( int argc, char *argv[ ], char *env[ ] ) { int i = 0 ; clrscr( ) ; while ( env[ i ] ) printf ( "n%s", env[ i++ ] ) ; } main( ) has the third command line argument env, which is an array of pointers to the strings. Each pointer points to an environment variable from the list of environment variables. |
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