/* codes.c This prints out the numerical codes of ASCII characters. ASCII stands for 'American Standard Code for Information Interchange (ASCII).' The values of ASCII that are relevant are 32 which is a space to 126 which is the tilde. The values after 126 are extended characters. */ #include <stdio.h> #include <stdlib.h> int main(void){ FILE *fp; /* The file to create */ int c; /* The char loop */ // Open the file for writing. if( (fp = fopen("codes.htm", "w")) == NULL ) { fprintf(stderr, "Error in writing file to disk"); exit(-1); } fprintf(fp, "<html>\n<head><title>ASCII Codes</title></head>\n<body>\n"); fprintf(fp, "<table>"); fprintf(fp, "<tr><td colspan=\"2\">Character Code</td></tr>" "<tr><td colspan=\"2\">===============</td></tr>"); // This loops from 32..126 (visible ASCII chars) for (c=32; c<127; c++) { fprintf(fp, "<tr><td>%c</td><td>%4d</td></tr>", c, c); } fprintf(fp, "</table>\n</body>\n</html>"); return 0; }