46 lines
501 B
C
46 lines
501 B
C
#include "user.h"
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int
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puts(char *s)
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{
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return write(1, s, strlen(s));
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}
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char*
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strcpy(char *s, char *t)
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{
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char *os;
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os = s;
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while((*s++ = *t++) != 0)
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;
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return os;
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}
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unsigned int
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strlen(char *s)
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{
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int n = 0;
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for(n = 0; s[n]; n++)
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;
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return n;
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}
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char *
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gets(char *buf, int max)
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{
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int i = 0, cc;
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char c;
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while(i+1 < max){
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cc = read(0, &c, 1);
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if(cc < 1)
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break;
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if(c == '\n' || c == '\r')
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break;
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buf[i++] = c;
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}
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buf[i] = '\0';
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return buf;
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}
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