コンパイルするとエラーに。C言語(改め)
インクルード 定義 メイン関数 エラー内容 が収まりませんでした；
(長すぎてどうすればよいのやら；)
int readlines(char *lineptr[], int maxlines)
{
int len, nlines;
char *p, line[MAXLEN];
nlines = 0;
while ((len = getline(line, MAXLEN)) > 0)
if (nlines >= maxlines || (p = alloc(len)) == NULL)
return -1;
else {
line[len-1] = '\0';
strcpy(p, line);
lineptr[nlines++] = p;
}
return nlines;
}
char *alloc(int n)
{
if (allocbuf + ALLOCSIZE - allocp >= n) {
allocp += n;
return allocp - n;
} else
return 0;
}
void kr_qsort(char *v[], int left, int right,
int (*comp)(void *, void *))
{
int i, last;
void swap(char *v[], int i, int j);
if (left >= right)
return;
swap(v, left, (left + right)/2);
last = left;
for (i = left+1; i <= right; i++)
if ((*comp)(v[i], v[left]) < 0)
swap(v, ++last, i);
swap(v, left, last);
kr_qsort(v, left, last-1, comp);
kr_qsort(v, last+1, right, comp);
}
void swap(char *v[], int i, int j)
{
char *temp;
temp = v[i];
v[i] = v[j];
v[j] = temp;
}
void readargs(int argc, char *argv[])
{
char c;
int atoi(char *);
while (--argc > 0 && (c = (*++argv)[0] == '-' || c == '+') {
if (c == '-' && !isdigit(*(argv[0]+1)))
while (c = *++argv[0])
switch (c) {
case 'd':
option |= DIR;
break;
case 'f':
option |= FOLD;
break;
case 'n':
option |= NUMERIC;
break;
case 'r':
option |= DECR;
break;
default:
printf("sort: illegal option %c\n", c);
error("Usage: sort -dfnr [+pos1] [-pos2]");
break;
}
else if (c == '-')
pos2 = atoi(argv[0]+1);
else if ((pos1 = atoi(argv[0]+1)) < 0)
error("Usage: sort -dfnr [+pos1] [-pos2]");
}
if (argc || pos1 > pos2)
error("Usage: sort -dfnr [+pos1] [-pos2]");
}
}
void writelines(char *lineptr[], int nlines, int order)
{
int i;
if (order)
for (i = nlines-1; i >= 0; i--)
printf("%s\n", lineptr[i]);
else
for (i = 0; i < nlines; i++)
printf("%s\n", lineptr[i]);
}
int charcmp(char *s, char *t)
{
char a, b;
int i, j, endpos;
int option, pos1, pos2;
int fold = (option & FOLD) ? 1 : 0;
int dir = (option & DIR) ? 1 : 0;
i = j = pos1;
if (pos2 > 0)
endpos = pos2;
else if ((endpos = strlen(s)) > strlen(t))
endpos = strlen(t);
do {
if (dir) {
while (i < endpos && !isalnum(s[i]) && s[i] != ' ' && s[i] != '\0')
i++;
while (j < endpos && !isalnum(t[j]) && t[j] != ' ' && t[j] != '\0')
j++;
}
if (i < endpos && j < endpos) {
a = fold ? tolower(s[i]) : s[i];
i++;
b = fold ? tolower(t[j]) : t[j];
j++;
if (a == b && a == '\0')
return 0;
}
} while (a == b && i < endpos && j < endpos);
return a - b;
}
int numcmp(char *s1, char *s2)
{
double v1, v2;
char str[MAXSTR];
substr(s1, str, MAXSTR);
v1 = atof(str);
substr(s2, str, MAXSTR);
v2 = atof(str);
if (v1 < v2)
return -1;
else if (v1 > v2)
return 1;
else
return 0;
}
void substr(char *s, char *str, int maxstr)
{
int i, j, len;
extern int pos1, pos2;
len = strlen(s);
if (pos2 > 0 && len > pos2)
len = pos2;
else if (pos2 > 0 && len > pos2)
error("substr: string too short");
for (j = 0, i = pos1; i < len; i++, j++)
str[j] = s[i];
str[j] = '\0';
}
int getline (char s[], int lim)
{
int c, i;
i = 0;
while (--lim > 0 && (c=getchar()) != EOF && c != '\n')
s[i++] = c;
if (c == '\n')
s[i++] = c;
s[i] = '\0';
return i;
}
void error(char *s)
{
printf("%s\n", s);
exit(1);
}
お礼
これは酷いイージーミスですね； そういえば、打ち込んでる途中 タブをしたけどしっくり来なかった箇所があったことを思い出しました。 アドバイスありがとうございます!