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author | Tobias Klauser <tklauser@distanz.ch> | 2008-01-27 11:37:44 +0100 |
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committer | Tobias Klauser <tklauser@xenon.tklauser.home> | 2008-01-27 11:37:44 +0100 |
commit | 7e0f021a9aec35fd8e6725e87e3313b101d26f5e (patch) | |
tree | b1cacc4b24393f517aeb4610e9e1021f954307a8 /reference/C/EXAMPLES/continue.c |
Initial import (2.0.2-6)2.0.2-6
Diffstat (limited to 'reference/C/EXAMPLES/continue.c')
-rw-r--r-- | reference/C/EXAMPLES/continue.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/reference/C/EXAMPLES/continue.c b/reference/C/EXAMPLES/continue.c new file mode 100644 index 0000000..9550129 --- /dev/null +++ b/reference/C/EXAMPLES/continue.c @@ -0,0 +1,32 @@ +/************************************************************************** + * + * Purpose: To filter some records. + * Demonstrates the 'continue', 'feof' & 'fgets' statemnts. + * Author: M J Leslie + * Date: 07-Jun-94 + * + *************************************************************************/ + +#include <stdio.h> + +main() +{ + char data[80]; /* Record read from the file. */ + FILE *ptr; /* Pointer to the file. FILE is a + structure defined in <stdio.h> */ + + /* Open the file - no error checking done */ + ptr = fopen("/etc/hosts","r"); + /* Read one record at a time, checking + for the End of File. EOF is defined + in <stdio.h> as -1 */ + + while (feof(ptr) == 0) + { + fgets(data, 80, ptr); /* Read next record */ + if (data[0] == '#') continue; /* filter out the comments */ + printf("%s",data); /* O/P the record to the screen */ + } + + fclose(ptr); /* Close the file. */ +} |