diff options
Diffstat (limited to '6.5/word.c')
| -rw-r--r-- | 6.5/word.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/6.5/word.c b/6.5/word.c new file mode 100644 index 0000000..045eaf7 --- /dev/null +++ b/6.5/word.c @@ -0,0 +1,58 @@ +// #include <stdio.h> +// #include <stdlib.h> +// #include <stdint.h> +#include <ctype.h> +// #include <string.h> +// #include <error.h> +// #include <errno.h> +#include "getch.h" +#include "word.h" + +// #define MAXBUFF 100 +// +// uint32_t top; +// char *wstack[MAXBUFF]; + +char getword(char *word, int lim) +{ + char *w = word; + + // if (top > 0) + // return *wstack[--top]; + + while (isblank(*w = getch())) + ; + + if (isalpha(*w)) { + while ((isalnum(*++w = getch()) || *w == '_') && --lim > 0) + ; + ungetch(*w--); + } else if (*w == '#') { + --lim; + do { + *++w = getch(); + } while (isalpha(*w) && --lim > 0); + ungetch(*w--); + } + + *++w = '\0'; + return word[0]; +} +// +// void ungetword(char *word) +// { +// if (top < MAXBUFF) { +// if ((wstack[top++] = strdup(word)) == NULL) +// error(EXIT_FAILURE, ENOBUFS, "ungetword"); +// } else { +// error(EXIT_FAILURE, ENOBUFS, "ungetword"); +// } +// } +// +// void wordfree(void) +// { +// uint32_t i; +// +// for (i = 0; i < top; ++i) +// free(wstack[i]); +// } |